MESON Chess Problem Database
Problem Display
PID: 21581 (8/7p/2P2r1b/2Q4p/4pk2/1K2Np1r/5B2/6R1 w - - 0 1)
Niemeijer, Meindert
2nd Prize, Tijdschrift vd NSB, 1919
#2
6 + 8
| 70 | American Chess Problemist | 1949 |
| 45 | Schach | 1952 |
| 268 | Chess Life | 1960 |
| 5227 | Schaak..., maar raak! | 1969 |
| 5862 | An ABC of Chess Problems | 1970 |
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
| 4640 | Chess Wizardry: The New ABC of Chess Problems | 1996 |
| 17121 | Encyclopedia of Chess Problems (Velimirovic/Valtonen) | 2012 |
| 3713 | Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Bg3#
- 1...Rh2
- 2.Bg3#
- 1...Rg3
- 2.Bxg3#
- 1...Rh4
- 2.Bg3#
- 1...Rf5
- 2.Qxf5#
- 1...Rxc6
- 2.Qf5#
- 1...Rd6
- 2.Qxd6#
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rf7
- 2.Qd6#
- 1...Rf8
- 2.Qd6#
- 1...Bg5
- 2.Qxg5#
- 1...Bg7
- 2.Qg5#
- 1...Bf8
- 2.Qg5#
- 1...h4
- 2.Rg4#
- 1...Rh1
- Tries
- 1.Ka2?
- 1...Rxc6
- 2.Qf5#
- 1...Rh1
- 2.Bg3#
- 1...Rg3
- 2.Bxg3#
- 1...Rh4
- 2.Bg3#
- 1...Rf5
- 2.Qxf5#
- 1...Rd6
- 2.Qxd6#
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rf7
- 2.Qd6#
- 1...Rf8
- 2.Qd6#
- 1...Bg5
- 2.Qxg5#
- 1...Bg7
- 2.Qg5#
- 1...Bf8
- 2.Qg5#
- 1...h4
- 2.Rg4#
- 1...Rh2!
- 1...Rxc6
- 1.Kb2?
- 1...Rxc6
- 2.Qf5#
- 1...Rh1
- 2.Bg3#
- 1...Rg3
- 2.Bxg3#
- 1...Rh4
- 2.Bg3#
- 1...Rf5
- 2.Qxf5#
- 1...Rd6
- 2.Qxd6#
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rf7
- 2.Qd6#
- 1...Rf8
- 2.Qd6#
- 1...Bg5
- 2.Qxg5#
- 1...Bg7
- 2.Qg5#
- 1...Bf8
- 2.Qg5#
- 1...h4
- 2.Rg4#
- 1...Rh2!
- 1...Rxc6
- 1.Ka3?
- 1...Rxc6
- 2.Qf5#
- 1...Rh2
- 2.Bg3#
- 1...Rh1
- 2.Bg3#
- 1...Rg3
- 2.Bxg3#
- 1...Rh4
- 2.Bg3#
- 1...Rf5
- 2.Qxf5#
- 1...Rd6
- 2.Qxd6#
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rf7
- 2.Qd6#
- 1...Rf8
- 2.Qd6#
- 1...Bg5
- 2.Qxg5#
- 1...Bg7
- 2.Qg5#
- 1...h4
- 2.Rg4#
- 1...Bf8!
- 1...Rxc6
- 1.Kc3?
- 1...Rh2
- 2.Bg3#
- 1...Rh1
- 2.Bg3#
- 1...Rg3
- 2.Bxg3#
- 1...Rh4
- 2.Bg3#
- 1...Rf5
- 2.Qxf5#
- 1...Rd6
- 2.Qxd6#
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rf7
- 2.Qd6#
- 1...Rf8
- 2.Qd6#
- 1...Bg5
- 2.Qxg5#
- 1...Bg7
- 2.Qg5#
- 1...Bf8
- 2.Qg5#
- 1...h4
- 2.Rg4#
- 1...Rxc6!
- 1...Rh2
- 1.Kb4?
- 1...Rxc6
- 2.Qf5#
- 1...Rh2
- 2.Bg3#
- 1...Rh1
- 2.Bg3#
- 1...Rg3
- 2.Bxg3#
- 1...Rh4
- 2.Bg3#
- 1...Rf5
- 2.Qxf5#
- 1...Rd6
- 2.Qxd6#
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rf7
- 2.Qd6#
- 1...Rf8
- 2.Qd6#
- 1...Bg5
- 2.Qxg5#
- 1...Bg7
- 2.Qg5#
- 1...h4
- 2.Rg4#
- 1...Bf8!
- 1...Rxc6
- 1.Kc4?
- 1...Rh2
- 2.Bg3#
- 1...Rh1
- 2.Bg3#
- 1...Rg3
- 2.Bxg3#
- 1...Rh4
- 2.Bg3#
- 1...Rf5
- 2.Qxf5#
- 1...Rd6
- 2.Qxd6#
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rf7
- 2.Qd6#
- 1...Rf8
- 2.Qd6#
- 1...Bg5
- 2.Qxg5#
- 1...Bg7
- 2.Qg5#
- 1...Bf8
- 2.Qg5#
- 1...h4
- 2.Rg4#
- 1...Rxc6!
- 1...Rh2
- 1.Sc4?
- threat
- 2.Be3#
- 2.Qe5#
- 1...e3
- 2.Qe5#
- 1...Rf5
- 2.Be3#
- 2.Qe3#
- 1...Re6
- 2.Be3#
- 1...Rg3!
- threat
- 1.Sg4?
- threat
- 2.Be3#
- 2.Qe5#
- 1...hxg4
- 2.Be3#
- 1...Rf5
- 2.Be3#
- 2.Qe3#
- 1...e3
- 2.Qe5#
- 1...Re6
- 2.Be3#
- 1...Rg3!
- threat
- 1.Rg2?
- 1...Rxc6
- 2.Qf5#
- 1...Rh2
- 2.Bg3#
- 1...Rh1
- 2.Bg3#
- 1...Rg3
- 2.Bxg3#
- 1...Rh4
- 2.Bg3#
- 1...Rf5
- 2.Qxf5#
- 1...Rd6
- 2.Qxd6#
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rf7
- 2.Qd6#
- 1...Rf8
- 2.Qd6#
- 1...Bg5
- 2.Qxg5#
- 1...Bg7
- 2.Qg5#
- 1...Bf8
- 2.Qg5#
- 1...h4
- 2.Rg4#
- 1...fxg2!
- 1...Rxc6
- 1.Rg5?
- threat
- 2.Qe5#
- 1...Rf5
- 2.Rxf5#
- 2.Qxf5#
- 1...Re6
- 2.Rf5#
- 2.Qf5#
- 1...Bxg5!
- threat
- 1.Rg6?
- threat
- 2.Rxf6#
- 1...Rxc6
- 2.Qf5#
- 1...Rxg6
- 2.Qf5#
- 1...Rf5
- 2.Qxf5#
- 1...Rd6
- 2.Qxd6#
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rf7
- 2.Qd6#
- 1...Rf8
- 2.Qd6#
- 1...Bg5
- 2.Qxg5#
- 1...Bg7
- 2.Qg5#
- 1...hxg6!
- threat
- 1.Rg7?
- 1...Rxc6
- 2.Qf5#
- 1...Rh2
- 2.Bg3#
- 1...Rh1
- 2.Bg3#
- 1...Rg3
- 2.Bxg3#
- 1...Rh4
- 2.Bg3#
- 1...Rf5
- 2.Qxf5#
- 1...Rd6
- 2.Qxd6#
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rf7
- 2.Rxf7#
- 2.Qd6#
- 1...Rf8
- 2.Qd6#
- 1...Bg5
- 2.Qxg5#
- 1...h4
- 2.Rg4#
- 1...Bxg7!
- 1...Rxc6
- 1.Rg8?
- 1...Rxc6
- 2.Qf5#
- 1...Rh2
- 2.Bg3#
- 1...Rh1
- 2.Bg3#
- 1...Rg3
- 2.Bxg3#
- 1...Rh4
- 2.Bg3#
- 1...Rf5
- 2.Qxf5#
- 1...Rd6
- 2.Qxd6#
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rf7
- 2.Qd6#
- 1...Rf8
- 2.Qd6#
- 1...Bg5
- 2.Qxg5#
- 1...Bf8
- 2.Qg5#
- 1...h4
- 2.Rg4#
- 1...Bg7!
- 1...Rxc6
- 1.Qxh5?
- threat
- 2.Sd5#
- 2.Rg4#
- 1...Rf5
- 2.Qxf5#
- 1...Bg5
- 2.Qxg5#
- 1...Rg3
- 2.Sd5#
- 1...Rh4
- 2.Sd5#
- 1...Rd6
- 2.Rg4#
- 2.Qf5#
- 1...Rg6
- 2.Sd5#
- 2.Qf5#
- 1...Rxh5!
- threat
- 1.c7?
- 1...Rh2
- 2.Bg3#
- 1...Rh1
- 2.Bg3#
- 1...Rg3
- 2.Bxg3#
- 1...Rh4
- 2.Bg3#
- 1...Rf5
- 2.Qxf5#
- 1...Ra6
- 2.Qf5#
- 1...Rc6
- 2.Qf5#
- 1...Rd6
- 2.Qxd6#
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rf7
- 2.Qd6#
- 1...Rf8
- 2.Qd6#
- 1...Bg5
- 2.Qxg5#
- 1...Bg7
- 2.Qg5#
- 1...Bf8
- 2.Qg5#
- 1...h4
- 2.Rg4#
- 1...Rb6+!
- 1...Rh2
- 1.Ka2?
- Keys
- 1.Ka4!
- 1...Rxc6
- 2.Qf5#
- 1...Rh2
- 2.Bg3#
- 1...Rh1
- 2.Bg3#
- 1...Rg3
- 2.Bxg3#
- 1...Rh4
- 2.Bg3#
- 1...Rf5
- 2.Qxf5#
- 1...Rd6
- 2.Qxd6#
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rf7
- 2.Qd6#
- 1...Rf8
- 2.Qd6#
- 1...Bg5
- 2.Qxg5#
- 1...Bg7
- 2.Qg5#
- 1...Bf8
- 2.Qg5#
- 1...h4
- 2.Rg4#
- 1...Rxc6
- 1.Ka4!
This anticipates 260700(1980)
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::B(B)
- R(b);N_GUARD::B(B),XR(b)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD,XP(F)::QAR1(E)
- R(f);N_GUARD::QAR1(E)
- R(f);N_GUARD::QAB(E)
- B(g);N_GUARD::QAB1(E),XB(g)
- B(g);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- R(f);N_GUARD,XP(F)::QAR1(E)
- R(b);N_GUARD::B(B)
- R(b);N_GUARD::B(B),XR(b)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::QAR1(E)
- R(f);N_GUARD::QAB(E)
- B(g);N_GUARD::QAB1(E),XB(g)
- B(g);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- R(b);P_PINB(B)
- Try
- K(C);P-FLIGHT
- Vars
- R(f);N_GUARD,XP(F)::QAR1(E)
- R(b);N_GUARD::B(B)
- R(b);N_GUARD::B(B),XR(b)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::QAR1(E)
- R(f);N_GUARD::QAB(E)
- B(g);N_GUARD::QAB1(E),XB(g)
- B(g);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- R(b);P_PINB(B)
- Try
- K(C);P-FLIGHT
- Vars
- R(f);N_GUARD,XP(F)::QAR1(E)
- R(b);N_GUARD::B(B)
- R(b);N_GUARD::B(B),XR(b)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::QAR1(E)
- R(f);N_GUARD::QAB(E)
- B(g);N_GUARD::QAB1(E),XB(g)
- B(g);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- B(g);P_PINQ(E)
- Try
- K(C);P-FLIGHT
- Vars
- R(b);N_GUARD::B(B)
- R(b);N_GUARD::B(B),XR(b)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::QAR1(E)
- R(f);N_GUARD::QAB(E)
- B(g);N_GUARD::QAB1(E),XB(g)
- B(g);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- R(f);P_PINQ(E),XP(F)
- Try
- K(C);P-FLIGHT
- Vars
- R(f);N_GUARD,XP(F)::QAR1(E)
- R(b);N_GUARD::B(B)
- R(b);N_GUARD::B(B),XR(b)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::QAR1(E)
- R(f);N_GUARD::QAB(E)
- B(g);N_GUARD::QAB1(E),XB(g)
- B(g);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- B(g);P_PINQ(E)
- Try
- K(C);S_FLIGHT
- Vars
- R(b);N_GUARD::B(B)
- R(b);N_GUARD::B(B),XR(b)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::QAR1(E)
- R(f);N_GUARD::QAB(E)
- B(g);N_GUARD::QAB1(E),XB(g)
- B(g);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- R(f);P_PINQ(E),XP(F)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- P(c);::QAB1(E)
- R(f);::B(B)
- Refutation
- R(b);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- P(e);XS(D)::B(B)
- P(c);::QAB1(E)
- R(f);::B(B)
- Refutation
- R(b);
- Try
- R(A);
- Vars
- R(f);N_GUARD,XP(F)::QAR1(E)
- R(b);N_GUARD::B(B)
- R(b);N_GUARD::B(B),XR(b)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::QAR1(E)
- R(f);N_GUARD::QAB(E)
- B(g);N_GUARD::QAB1(E),XB(g)
- B(g);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- P(a);P_PINS(D),XR(A)
- Try
- R(A);
- Threat
- QAB1(E)
- Refutation
- B(g);XR(A)
- Try
- R(A);
- Threat
- R(A),XR(f)
- Vars
- R(f);N_GUARD,XP(F)::QAR1(E)
- R(f);N_GUARD,XR(A)::QAR1(E)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::QAR1(E)
- R(f);N_GUARD::QAB(E)
- B(g);N_GUARD::QAB1(E),XB(g)
- B(g);N_GUARD::QAB1(E)
- Refutation
- P(h);XR(A)
- Try
- R(A);
- Vars
- R(f);N_GUARD,XP(F)::QAR1(E)
- R(b);N_GUARD::B(B)
- R(b);N_GUARD::B(B),XR(b)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::QAR1(E)
- R(f);N_GUARD::QAB(E)
- B(g);N_GUARD::QAB1(E),XB(g)
- P(e);N_GUARD::R1(A)
- Refutation
- B(g);XR(A)
- Try
- R(A);
- Vars
- R(f);N_GUARD,XP(F)::QAR1(E)
- R(b);N_GUARD::B(B)
- R(b);N_GUARD::B(B),XR(b)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::QAR1(E)
- R(f);N_GUARD::QAB(E)
- B(g);N_GUARD::QAB1(E),XB(g)
- B(g);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- B(g);
- Try
- Q(E);XP(e)
- Threat
- DUALS(2)
- Vars
- R(f);N_GUARD::QAR1(E),XR(f)
- B(g);N_GUARD::QAB1(E),XB(g)
- R(b);::S(D)
- Refutation
- R(b);XQ(E)
- Try
- P(F);
- Vars
- R(b);N_GUARD::B(B)
- R(b);N_GUARD::B(B),XR(b)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::QAR1(E)
- R(f);N_GUARD::QAB(E)
- B(g);N_GUARD::QAB1(E),XB(g)
- B(g);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
- Refutation
- R(f);CHECK
- Try
- Actual
- K(C);S_FLIGHT
- Vars
- R(f);N_GUARD,XP(F)::QAR1(E)
- R(b);N_GUARD::B(B)
- R(b);N_GUARD::B(B),XR(b)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::QAR1(E)
- R(f);N_GUARD::QAB(E)
- B(g);N_GUARD::QAB1(E),XB(g)
- B(g);N_GUARD::QAB1(E)
- P(e);N_GUARD::R1(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).