MESON Chess Problem Database
Problem Display
PID: 163717 (1NR2B1K/1N3p1B/1p5n/1k1nQ3/p6R/r4b2/3br3/8 w - - 0 1)
Ott, Markus Johannes
Basler Nachrichten, 1976
#2
8 + 10
| 15601 | Albrecht-Leiss-Degener Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rf2
- 2.Qe8#
- 1...Rg2
- 2.Qe8#
- 1...Rh2
- 2.Qe8#
- 1...Re4
- 2.Qxd5#
- 1...Ra1
- 2.Bd3#
- 1...Ra2
- 2.Bd3#
- 1...Rc3
- 2.Rb4#
- 1...Rd3
- 2.Bxd3#
- 1...Bc1
- 2.Rb4#
- 1...Bc3
- 2.Bd3#
- 1...Be3
- 2.Rb4#
- 2.Qe8#
- 1...Bb4
- 2.Rxb4#
- 1...Ba5
- 2.Sd6#
- 1...Bg5
- 2.Rb4#
- 1...Be4
- 2.Qe8#
- 1...Bg4
- 2.Qxd5#
- 1...Bh5
- 2.Qxd5#
- 1...Rf2
- Tries
- 1.Be4?
- threat
- 2.Qxd5#
- 2.Qe8#
- 1...Rxe4
- 2.Qxd5#
- 1...Bxe4
- 2.Qe8#
- 1...Rd3
- 2.Bxd3#
- 2.Qe8#
- 1...Bc3
- 2.Bd3#
- 1...Be3
- 2.Qe8#
- 1...Bb4
- 2.Qe8#
- 1...Bg4
- 2.Qxd5#
- 1...Rc3!
- threat
- 1.Bf5?
- threat
- 2.Bd7#
- 1...Rc3
- 2.Rb4#
- 1...Bg4
- 2.Qxd5#
- 1...Sxf5!
- threat
- 1.Re4?
- threat
- 2.Qxd5#
- 2.Qe8#
- 1...Rxe4
- 2.Qxd5#
- 1...Bxe4
- 2.Qe8#
- 1...Rc3
- 2.Rb4#
- 1...Rd3
- 2.Qe8#
- 1...Be3
- 2.Rb4#
- 2.Qe8#
- 1...Bb4
- 2.Rxb4#
- 2.Qe8#
- 1...Bg4
- 2.Qxd5#
- 1...Bc3!
- threat
- 1.Qd4?
- threat
- 2.Qc4#
- 1...Re4
- 2.Qxd5#
- 1...Rc3
- 2.Qxa4#
- 1...Bc3
- 2.Bd3#
- 1...Se3!
- threat
- 1.Qxe2+?
- 1...Rd3
- 2.Bxd3#
- 2.Qxd3#
- 2.Qe8#
- 1...Bxe2!
- 1...Rd3
- 1.Be4?
- Keys
- 1.Rc3!
- threat
- 2.Bd3#
- 2.Rb4#
- 1...Rxe5
- 2.Bd3#
- 1...Rxc3
- 2.Rb4#
- 1...Bxc3
- 2.Bd3#
- 1...Re3
- 2.Rb4#
- 1...Re4
- 2.Qxd5#
- 1...Rb3
- 2.Bd3#
- 1...Bf4
- 2.Bd3#
- 1...Be4
- 2.Qe8#
- 1...Bg4
- 2.Bd3#
- 2.Qxd5#
- 1...Sg4
- 2.Bd3#
- 1...Sf5
- 2.Rb4#
- 1...f5
- 2.Rb4#
- threat
- 1.Rc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 12
- Sets
- R(b);N_GUARD::QAB(B)
- R(b);S_CUTB(d)::QAR2(B),XS(g)
- R(c);N_GUARD::B(D)
- R(c);S_CUTB(a)::R1(A)
- R(c);N_GUARD::B(D),XR(c)
- B(a);N_GUARD::R1(A)
- B(a);P_PINQ(B),S_CUTR(c)::B(D)
- B(a);N_GUARD::R1(A),XB(a)
- B(a);SBLOCK::S(C)
- B(d);S_CUTR(b)::QAB(B)
- B(d);N_GUARD::QAR2(B),XS(g)
- Tries
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(b);XB(D)::QAR2(B),XS(g)
- B(d);XB(D)::QAB(B)
- B(a);P_PINQ(B),S_CUTR(c)::B(D)
- B(a);::QAB(B)
- B(d);::QAR2(B),XS(g)
- Refutation
- R(c);
- Try
- B(D);
- Threat
- B(D)
- Vars
- R(c);S_CUTB(a)::R1(A)
- B(d);N_GUARD::QAR2(B),XS(g)
- Refutation
- S(i);XB(D)
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- R(b);XR(A)::QAR2(B),XS(g)
- B(d);XR(A)::QAB(B)
- R(c);S_CUTB(a)::R1(A)
- R(c);::QAB(B)
- B(d);::QAR2(B),XS(g)
- Refutation
- B(a);P_PINQ(B)
- Try
- Q(B);N_PINS(g)
- Threat
- QAB1(B)
- Vars
- R(b);S_CUTB(d)::QAR2(B),XS(g)
- R(c);N_GUARD::QAB1(B),XP(e)
- B(a);P_PINQ(B),S_CUTR(c)::B(D)
- Refutation
- S(g);
- Try
- Q(B);CHECK,N_PINS(g),XR(b)
- Refutation
- B(d);XQ(B)
- Try
- Actual
- R(F);
- Threat
- DUALS(2)
- Vars
- R(b);N_SPINS(g),XQ(B)::B(D)
- R(c);XR(F)::R1(A)
- B(a);P_PINQ(B),XR(F)::B(D)
- R(b);::R1(A)
- R(b);S_CUTB(d)::QAR2(B),XS(g)
- R(c);::B(D)
- B(a);::B(D)
- B(d);S_CUTR(b)::QAB(B)
- S(i);::B(D)
- S(i);::R1(A)
- P(j);::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).