MESON Chess Problem Database
Problem Display
PID: 235548 (B5r1/b2Q4/K2N1p2/R1PrP2R/2pk2p1/3p4/3P4/8 w - - 0 1)
Goldschmeding, Cornelis
Shakhmaty v SSSR, 1965
#2
9 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxc5
- 2.Sb5#
- 1...Rxe5
- 2.Sf5#
- 1...Rxd6+
- 2.Qxd6#
- 1...Rxa8
- 2.Qxg4#
- 1...Rb8
- 2.Qxg4#
- 1...Rc8
- 2.Qxg4#
- 1...Rd8
- 2.Qxg4#
- 1...Re8
- 2.Qxg4#
- 1...Rf8
- 2.Qxg4#
- 1...Rh8
- 2.Qxg4#
- 1...c3
- 2.Qa4#
- 1...Rxc5
- Tries
- 1.Sb5+?
- 1...Ke4
- 2.Qf5#
- 1...Kxc5!
- 1...Ke4
- 1.Qc6?
- threat
- 2.Qxd5#
- 1...Rxc5
- 2.Qe4#
- 1...Rxe5
- 2.Sb5#
- 1...Rxd6
- 2.Qxd6#
- 1...Rxa8!
- threat
- 1.Sb5+?
- Keys
- 1.Qe6!
- threat
- 2.Qxd5#
- 1...Rxd6+
- 2.Qxd6#
- 1...Rxc5
- 2.Sf5#
- 1...Rxe5
- 2.Qxc4#
- 1...Rxa8
- 2.Qxg4#
- threat
- 1.Qe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- R(e);SBLOCK,XP(C)::QAR(H)+S(G),DCHECK
- R(e);SBLOCK,XP(D)::QAR(H)+S(G),DCHECK
- R(e);CHECK,OGATE,P_SPINR(e),XS(G)::QAR2(H),XR(e)
- R(h);N_GUARD,XB(I)::QAR(H),XP(d)
- R(h);N_GUARD::QAR(H),XP(d)
- P(b);OGATEB::QAR(H)
- Tries
- Try
- S(G);CHECK,P_PINR(e)
- Vars
- K(c);P-FLIGHT::QAB1(H)
- Refutation
- K(c);N_SPINR(e),S_FLIGHT,XP(C)
- Try
- Q(H);
- Threat
- QAR1(H),XR(e)
- Vars
- R(e);OGATE,XP(C)::QAR1(H)
- R(e);XP(D)::S(G)
- R(e);OGATE,P_PINQ(H),XS(G)::QAR2(H),XR(e)
- Refutation
- R(h);XB(I)
- Try
- Actual
- Q(H);
- Threat
- QAR1(H),XR(e)
- Vars
- R(e);CHECK,OGATE,XS(G)::QAR2(H),XR(e)
- R(e);XP(C)::S(G)
- R(e);OGATE,XP(D)::QAR1(H),XP(b)
- R(h);N_GUARD,XB(I)::QAR(H),XP(d)
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).