MESON Chess Problem Database
Problem Display
PID: 23919 (2QN2n1/2PRPp1q/2pR1b1p/4Pk1P/b3N3/1pB3PK/3P4/1B6 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Prize, idee & form, 1996-1997
#2
14 + 9
SOLUTION
- SOUND
- Sets
- 1...Bg5
- 2.Sf2#
- 2.Sc5#
- 2.Sf6#
- 1...Bxe7
- 2.Rxe7#
- 1...Sxe7
- 2.Rxf6#
- 2.Rxe7#
- 1...Bg5
- Tries
- 1.Sxc6?
- threat
- 2.Rd8#
- 1...Sxe7
- 2.Rxf6#
- 2.Rxe7#
- 1...Bxc6!
- threat
- 1.Se6?
- threat
- 2.Sf2#
- 2.S4c5#
- 2.S4g5#
- 2.Sxf6#
- 2.g4#
- 1...Bxe5
- 2.g4#
- 1...Bxe7
- 2.Sf2#
- 2.S4c5#
- 2.S4g5#
- 2.Sf6#
- 2.g4#
- 1...Qg6
- 2.Sf2#
- 2.S4c5#
- 2.S4g5#
- 2.Sxf6#
- 1...Qg7
- 2.Sf2#
- 2.S4c5#
- 2.S4g5#
- 2.Sxf6#
- 1...Bb5
- 2.g4#
- 1...Bh4
- 2.Sf2#
- 2.S4c5#
- 2.S4g5#
- 2.Sf6#
- 2.g4#
- 1...Bg5
- 2.Sf2#
- 2.S4c5#
- 2.S4xg5#
- 2.Sf6#
- 2.g4#
- 1...Bg7
- 2.Sf2#
- 2.S4c5#
- 2.S4g5#
- 2.Sf6#
- 2.g4#
- 1...Bh8
- 2.Sf2#
- 2.S4c5#
- 2.S4g5#
- 2.Sf6#
- 2.g4#
- 1...b2
- 2.g4#
- 1...c5
- 2.Sf2#
- 2.S4xc5#
- 2.S4g5#
- 2.Sxf6#
- 2.g4#
- 1...fxe6!
- threat
- 1.Sb7?
- threat
- 2.Rd8#
- 1...Sxe7
- 2.Rxf6#
- 2.Rxe7#
- 1...c5!
- threat
- 1.Sxf7?
- threat
- 2.Sf2#
- 2.Sc5#
- 2.Seg5#
- 2.Sxf6#
- 2.Rd8#
- 1...Bxe5
- 2.Sf2#
- 2.Sc5#
- 2.Seg5#
- 2.Sf6#
- 2.Rd8#
- 1...Bxe7
- 2.Sf2#
- 2.Sc5#
- 2.Seg5#
- 2.Sf6#
- 2.Rxe7#
- 2.Rd8#
- 1...Sxe7
- 2.Sf2#
- 2.Sc5#
- 2.Seg5#
- 2.Sxf6#
- 2.Rxf6#
- 2.Rxe7#
- 1...Bb5
- 2.Rd8#
- 1...Bh4
- 2.Sf2#
- 2.Sc5#
- 2.Seg5#
- 2.Sf6#
- 2.Rd8#
- 1...Bg5
- 2.Sf2#
- 2.Sc5#
- 2.Sexg5#
- 2.Sf6#
- 2.Rd8#
- 1...Bg7
- 2.Sf2#
- 2.Sc5#
- 2.Seg5#
- 2.Sf6#
- 2.Rd8#
- 1...Bh8
- 2.Sf2#
- 2.Sc5#
- 2.Seg5#
- 2.Sf6#
- 2.Rd8#
- 1...b2
- 2.Rd8#
- 1...c5
- 2.Sf2#
- 2.Sxc5#
- 2.Seg5#
- 2.Sxf6#
- 1...Qxf7!
- threat
- 1.Rd4?
- threat
- 2.R7d5#
- 1...Kxe5
- 2.R4d5#
- 1...Sxe7
- 2.Rxe7#
- 1...c5!
- threat
- 1.Rd5?
- threat
- 2.R7d6#
- 1...Sxe7
- 2.Rxe7#
- 1...c5
- 2.exf6#
- 1...cxd5!
- threat
- 1.Rxc6?
- threat
- 2.Rd5#
- 2.Rdd6#
- 1...Sxe7
- 2.Rxf6#
- 2.Rxe7#
- 1...Bxc6!
- threat
- 1.e8Q?
- threat
- 2.Re7#
- 2.Rxf7#
- 1...Be7
- 2.Rxe7#
- 1...Se7
- 2.Rxf6#
- 2.Rxe7#
- 1...c5!
- threat
- 1.e8S?
- threat
- 2.Re7#
- 2.Rxf7#
- 1...Be7
- 2.Rxe7#
- 1...Se7
- 2.Rxf6#
- 2.Rxe7#
- 1...c5!
- threat
- 1.e8B?
- threat
- 2.Re7#
- 2.Rxf7#
- 1...Be7
- 2.Rxe7#
- 1...Se7
- 2.Rxf6#
- 2.Rxe7#
- 1...c5!
- threat
- 1.e8R?
- threat
- 2.Rde7#
- 2.Rxf7#
- 1...Be7
- 2.Rdxe7#
- 1...Se7
- 2.Rxf6#
- 2.Rdxe7#
- 1...c5!
- threat
- 1.Sxc6?
- Keys
- 1.Rd3!
- threat
- 2.Rf3#
- 1...Kxe4
- 2.Re3#
- 1...Bxe5
- 2.R7d4#
- 1...Bg5
- 2.Sd6#
- threat
- 1.Rd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(e);OGATE,XP(L)::QAB(M)+R(K),XB(e)
- Tries
- Try
- S(N);XP(d)
- Threat
- QAB(M)+R(K)
- Refutation
- B(b);XS(N)
- Try
- S(N);
- Threat
- DUALS(5)
- Vars
- B(e);XP(G)::P(D)
- B(b);::P(D)
- P(a);::P(D)
- Refutation
- P(g);XS(N)
- Try
- S(N);
- Threat
- QAB(M)+R(K)
- Refutation
- P(d);
- Try
- S(N);XP(g)
- Threat
- DUALS(5)
- Vars
- B(b);::QAB(M)+R(K)
- P(a);::QAB(M)+R(K)
- Refutation
- Q(h);XS(N)
- Try
- R(I);
- Threat
- QAB(M)+R(K)
- Vars
- K(c);OGATEB,P-FLIGHT,XP(G)::B(C)+R(I),DCHECK
- S(i);OGATE,XP(L)::QAB(M)+R(K),XS(i)
- Refutation
- P(d);
- Try
- R(I);
- Threat
- QAB(M)+R(K)
- Vars
- S(i);OGATE,XP(L)::QAB(M)+R(K),XS(i)
- P(d);N_GUARD::R(I)+P(G),XB(e)
- Refutation
- P(d);XR(I)
- Try
- R(I);XP(d)
- Threat
- DUALS(2)
- Refutation
- B(b);XR(I)
- Try
- P(L);
- Threat
- DUALS(2)
- Vars
- B(e);::QAB(M)+R(K),XB(e)
- Refutation
- P(d);
- Try
- P(L);
- Threat
- DUALS(2)
- Vars
- B(e);::QAB(M)+R(K),XB(e)
- Refutation
- P(d);
- Try
- P(L);
- Threat
- DUALS(2)
- Vars
- B(e);::QAB(M)+R(K),XB(e)
- Refutation
- P(d);
- Try
- P(L);
- Threat
- DUALS(2)
- Vars
- B(e);::QAB(M)+R(K),XB(e)
- Refutation
- P(d);
- Try
- Actual
- R(I);
- Threat
- R(I)
- Vars
- K(c);OGATEB,S_FLIGHT,XS(F)::B(A)+R(I),DCHECK
- B(e);SBLOCK,XP(G)::QAB(M)+R(K)
- B(e);SBLOCK::S(F)
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).