MESON Chess Problem Database
Problem Display
PID: 11937 (2rn1r2/3NQ3/1n2B1p1/pK2p3/4kp2/4P1b1/6P1/3R1N2 w - - 0 1)
Goldschmeding, Cornelis
1st Prize, Probleemblad, 1973
#2
8 + 10
| 3753 | FIDE Album (1971-1973) | 1978 |
| 273 | Mat Plus | 1994 |
| 4655 | Michael Keller Ein Meister der Schachkomposition | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Rc5+
- 2.Sxc5#
- 1...Ra8
- 2.Sc5#
- 1...Rb8
- 2.Sc5#
- 1...Rf6
- 2.Sxf6#
- 1...Re8
- 2.Sf6#
- 1...Rg8
- 2.Sf6#
- 1...Rh8
- 2.Sf6#
- 1...Sc6
- 2.Sc5#
- 1...Sf7
- 2.Sf6#
- 1...Rc5+
- Tries
- 1.Bd5+?
- 1...Sxd5
- 2.Qxe5#
- 1...Kf5!
- 1...Sxd5
- 1.Bf5+?
- 1...Rxf5
- 2.Rd4#
- 1...gxf5
- 2.Rd4#
- 2.Qxe5#
- 1...Kxf5!
- 1...Rxf5
- 1.Qa3?
- threat
- 2.Sd2#
- 2.Qd3#
- 1...Rc5+
- 2.Sxc5#
- 1...Sxe6
- 2.Qd3#
- 1...fxe3
- 2.Qxe3#
- 1...Rc2
- 2.Qd3#
- 1...Be1
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Rc3!
- threat
- 1.Qb4+?
- 1...Rc4
- 2.Sc5#
- 1...Sc4
- 2.Qb1#
- 1...axb4!
- 1...Rc4
- 1.Qc5?
- threat
- 2.Qxe5#
- 1...Rxc5+
- 2.Sxc5#
- 1...Sxd7
- 2.Qd5#
- 1...fxe3
- 2.Qxe3#
- 1...Sc4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sc6
- 2.Qc2#
- 1...Sf7
- 2.Sf6#
- 1...f3
- 2.Sxg3#
- 1...Rf5!
- threat
- 1.Qg5?
- threat
- 2.Qxe5#
- 1...Rc5+
- 2.Sxc5#
- 1...Sxd7
- 2.Bd5#
- 1...fxe3
- 2.Sxg3#
- 2.Qxe3#
- 1...Sc4
- 2.Bd5#
- 1...Sc6
- 2.Sc5#
- 1...Sf7
- 2.Sf6#
- 2.Qxg6#
- 1...f3
- 2.Sxg3#
- 1...Rf5!
- threat
- 1.Qd6?
- threat
- 2.Qxe5#
- 2.Qd3#
- 1...Rc5+
- 2.Sxc5#
- 1...Sxd7
- 2.Qd3#
- 2.Qd5#
- 1...Rc3
- 2.Qxe5#
- 1...Rf5
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 2.Qd5#
- 1...Sd5
- 2.Qxe5#
- 2.Qxd5#
- 1...Sc6
- 2.Sc5#
- 2.Qd3#
- 1...Sf7
- 2.Sf6#
- 2.Qd3#
- 1...f3
- 2.Qd3#
- 1...fxe3!
- threat
- 1.Bd5+?
- Keys
- 1.Qf6!
- threat
- 2.Qxe5#
- 1...Rc5+
- 2.Sxc5#
- 1...Rxf6
- 2.Sxf6#
- 1...Sxd7
- 2.Bd5#
- 1...fxe3
- 2.Sxg3#
- 1...Sc4
- 2.Bd5#
- 1...Sc6
- 2.Sc5#
- 1...Sf7
- 2.Qxg6#
- 1...f3
- 2.gxf3#
- threat
- 1.Qf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- R(h);CHECK,N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- R(j);N_GUARD::S(G),XR(j)
- R(j);N_GUARD::S(G)
- S(i);S_CUTR(h)::S(G)
- S(i);S_CUTR(j)::S(G)
- Tries
- Try
- B(F);CHECK,P_PINP(e)
- Vars
- S(f);XB(F)::QAR1(H),XP(e)
- Refutation
- K(b);N_SPINP(e),S_FLIGHT
- Try
- B(F);CHECK,P_PINP(e)
- Vars
- R(j);SBLOCK,XB(F)::R1(A)
- Refutation
- K(b);N_SPINP(e),S_FLIGHT,XB(F)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,N_GUARD::S(G),XR(h)
- S(i);XB(F)::QAB1(H)
- P(c);OGATE,XP(D)::QAR1(H),XP(c)
- R(h);::QAB1(H)
- B(a);::QAB1(H)
- S(f);::QAB1(H)
- Refutation
- R(h);
- Try
- Q(H);CHECK
- Vars
- R(h);P_SPINR(h)::S(G)
- S(f);P_SPINS(f),S_CUTR(h)::QAB(H)
- Refutation
- P(d);XQ(H)
- Try
- Q(H);
- Threat
- QAR1(H),XP(e)
- Vars
- R(h);CHECK,XQ(H)::S(G),XR(h)
- S(f);N_GUARD,XS(G)::QAB1(H)
- P(c);OGATE,XP(D)::QAR1(H),XP(c)
- S(f);N_GUARD::QAB1(H)
- S(f);N_GUARD::QAB1(H),XS(f)
- S(i);S_CUTR(h)::QAB(H)
- S(i);S_CUTR(j)::S(G)
- P(c);N_GUARD::S(B),XB(a)
- Refutation
- R(j);
- Try
- Q(H);
- Threat
- QAR1(H),XP(e)
- Vars
- R(h);CHECK,N_GUARD::S(G),XR(h)
- S(f);N_GUARD,XS(G)::B(F)
- S(f);N_GUARD::B(F)
- S(i);S_CUTR(h)::S(G)
- P(c);N_GUARD::S(B),XB(a)
- Refutation
- R(j);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,N_GUARD::S(G),XR(h)
- R(h);::QAR1(H),XP(e)
- R(j);::QAB1(H)
- P(c);::QAB1(H)
- Refutation
- P(c);XP(D)
- Try
- Actual
- Q(H);
- Threat
- QAR1(H),XP(e)
- Vars
- R(h);CHECK,N_GUARD::S(G),XR(h)
- R(j);XQ(H)::S(G),XR(j)
- S(f);N_GUARD,XS(G)::B(F)
- P(c);N_GUARD,SBLOCK,XP(D)::S(B),XB(a)
- S(f);N_GUARD::B(F)
- S(i);S_CUTR(h)::S(G)
- S(i);S_CUTR(j)::QAB(H),XP(g)
- P(c);OGATE::P(C),XP(c)
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).