MESON Chess Problem Database
Problem Display
PID: 39612 (4KQ2/2P5/2B1P3/2PrP3/1RnkP3/1P1Np3/1n2P3/1N1R4 w - - 0 1)
Janevski, Dimitar
4th Place, Match: Macedonia - USA, 2001
#2
14 + 5
| 145 | StrateGems | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Kxe4
- 2.Qf4#
- 1...Rxc5
- 2.Qxc5#
- 1...Rxe5
- 2.Sxb2#
- 1...Rd6
- 2.Qxd6#
- 1...Rd8+
- 2.cxd8Q#
- 2.cxd8R#
- 1...Sxd1
- 2.Rxc4#
- 1...Sa4
- 2.Rxc4#
- 1...Kxe4
- Tries
- 1.Sxb2+?
- 1...Kxe5
- 2.Qf5#
- 1...Kxe4!
- 1...Kxe5
- 1.Bxd5?
- 1...Sxd1
- 2.Rxc4#
- 1...Sa4
- 2.Rxc4#
- 1...Sxd3!
- 1...Sxd1
- 1.Qf6?
- 1...Rd8+
- 2.Qxd8#
- 2.cxd8Q#
- 2.cxd8R#
- 1...Kxe4
- 2.Qf4#
- 1...Rxc5
- 2.Sxb2#
- 1...Rxe5
- 2.Qxe5#
- 1...Sxd1
- 2.Rxc4#
- 1...Sxd3
- 2.Rxc4#
- 1...Rd6
- 2.exd6#
- 1...Sa4
- 2.Rxc4#
- 1...Rd7!
- 1...Rd8+
- 1.exd5?
- threat
- 2.Qf4#
- 1...Ke4
- 2.Qf4#
- 1...Sxd3!
- threat
- 1.c8Q?
- 1...Rd8+
- 2.Qxd8#
- 1...Kxe4
- 2.Qf4#
- 1...Rxc5
- 2.Qxc5#
- 1...Rxe5
- 2.Sxb2#
- 1...Sxd1
- 2.Rxc4#
- 1...Rd7
- 2.Qxd7#
- 1...Rd6
- 2.Qxd6#
- 1...Sa4
- 2.Rxc4#
- 1...Sxd3!
- 1...Rd8+
- 1.Sxb2+?
- Keys
- 1.Qg7!
- 1...Rd8+
- 2.cxd8Q#
- 2.cxd8R#
- 1...Kxe4
- 2.Qg4#
- 1...Rxc5
- 2.Sxb2#
- 1...Rxe5
- 2.Qxe5#
- 1...Sxd1
- 2.Rxc4#
- 1...Sxd3
- 2.Rxc4#
- 1...Rd7
- 2.Qxd7#
- 1...Rd6
- 2.exd6#
- 1...Sa4
- 2.Rxc4#
- 1...Rd8+
- 1.Qg7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(d);OGATEB,P-FLIGHT,P_SPINR(e),XP(G)::QAR1(N)
- R(e);OGATE,XP(H)::QAB1(N),XR(e)
- R(e);P_PINP(K),SBLOCK,XP(I)::R(B)+S(E),XS(a)
- R(e);OGATEB::QAR2(N),XR(e)
- R(e);CHECK,OGATE::PXR(e)=Q
- S(a);N_GUARD,XR(B)::R1(F),XS(c)
- S(a);N_GUARD::R1(F),XS(c)
- Tries
- Try
- S(E);CHECK,XS(a)
- Vars
- K(d);N_SPINS(c),S_FLIGHT,XP(I)::QAR1(N)
- Refutation
- K(d);P-FLIGHT,P_SPINR(e),XP(G)
- Try
- B(J);XR(e)
- Vars
- S(a);N_GUARD,XR(B)::R1(F),XS(c)
- S(a);N_GUARD::R1(F),XS(c)
- Refutation
- S(a);N_SPINS(c),P_SPINS(a),XS(E)
- Try
- Q(N);
- Vars
- K(d);OGATEB,P-FLIGHT,P_SPINR(e),XP(G)::QAR1(N)
- R(e);SBLOCK,XP(H)::R(B)+S(E),XS(a)
- R(e);OGATE,P_PINP(K),P_SPINR(e),XP(I)::QAB1(N),XR(e)
- S(a);N_GUARD,XR(B)::R1(F),XS(c)
- S(a);N_GUARD,N_SPINS(c),P_SPINS(a),XS(E)::R1(F),XS(c)
- R(e);OGATE::QAB(N)+P(I),XR(e)
- S(a);N_GUARD::R1(F),XS(c)
- Refutation
- R(e);
- Try
- P(G);XR(e)
- Threat
- QAR2(N)
- Vars
- K(d);P-FLIGHT::QAR1(N)
- Refutation
- S(a);N_SPINS(c),P_SPINS(a),XS(E)
- Try
- P(L);
- Vars
- R(e);CHECK,OGATEB::QAR(L),XR(e)
- K(d);OGATEB,P-FLIGHT,P_SPINR(e),XP(G)::QAR1(N)
- R(e);OGATE,XP(H)::QAB1(N),XR(e)
- R(e);P_PINP(K),SBLOCK,XP(I)::R(B)+S(E),XS(a)
- S(a);N_GUARD,XR(B)::R1(F),XS(c)
- R(e);OGATEB::QAR(L),XR(e)
- R(e);OGATEB::QAR2(N),XR(e)
- S(a);N_GUARD::R1(F),XS(c)
- Refutation
- S(a);N_SPINS(c),P_SPINS(a),XS(E)
- Try
- Actual
- Q(N);
- Vars
- R(e);CHECK,OGATE::PXR(e)=Q
- K(d);OGATEB,P-FLIGHT,P_SPINR(e),XP(G)::QAR2(N)
- R(e);SBLOCK,XP(H)::R(B)+S(E),XS(a)
- R(e);OGATE,P_PINP(K),P_SPINR(e),XP(I)::QAB1(N),XR(e)
- S(a);N_GUARD,XR(B)::R1(F),XS(c)
- S(a);N_GUARD,N_SPINS(c),P_SPINS(a),XS(E)::R1(F),XS(c)
- R(e);OGATEB::QAR(N),XR(e)
- R(e);OGATE::QAB(N)+P(I),XR(e)
- S(a);N_GUARD::R1(F),XS(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).