MESON Chess Problem Database
Problem Display
PID: 86840 (1b2K3/2P5/Nn1Rp1p1/3Pk3/4pRP1/Q4PP1/2N2r2/6B1 w - - 0 1)
Slesarenko, Anatoly Vasilevich
Chess Life & Review, 1988
#2
12 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Bd4#
- 1...Re2
- 2.Bd4#
- 1...Rg2
- 2.Bd4#
- 1...Rh2
- 2.Bd4#
- 1...Rxf3
- 2.Bd4#
- 1...Rf1
- Tries
- 1.Kf7?
- threat
- 2.Rxe4#
- 1...Rxf3
- 2.Bd4#
- 1...exd5
- 2.Re6#
- 1...Re2
- 2.Bd4#
- 1...e3
- 2.Re4#
- 1...exf3!
- threat
- 1.Sd4?
- threat
- 2.Sc6#
- 1...Kxd4
- 2.Rxe4#
- 1...Rc2!
- threat
- 1.Sab4?
- threat
- 2.Sc6#
- 2.Rxe6#
- 1...Rxc2
- 2.Rxe6#
- 1...Sxd5
- 2.Sc6#
- 1...exd5
- 2.Sc6#
- 1...Kxd6!
- threat
- 1.Rf6?
- threat
- 2.Rfxe6#
- 1...exd5
- 2.Rde6#
- 2.Rfe6#
- 1...Kxf6!
- threat
- 1.Rxb6?
- threat
- 2.Qd6#
- 1...Kxd5
- 2.Qc5#
- 1...Bxc7!
- threat
- 1.Rd7?
- threat
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rxc2
- 2.Qd6#
- 1...Rxf3
- 2.Bd4#
- 2.Qd6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Bxc7
- 2.Qb2#
- 2.Qa1#
- 2.Qc3#
- 1...Sxd5
- 2.Qd6#
- 1...exf3
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 2.Qe3#
- 2.cxb8Q#
- 2.cxb8B#
- 1...exd5
- 2.Re7#
- 2.Qd6#
- 2.Qe7#
- 1...Rf1
- 2.Bd4#
- 2.Qb2#
- 2.Qd6#
- 2.Qc3#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rd2
- 2.Qd6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Re2
- 2.Bd4#
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rg2
- 2.Bd4#
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rh2
- 2.Bd4#
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Ba7
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 1...Sa4
- 2.Qd6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Sc4
- 2.Qc3#
- 1...Sa8
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 1...Sc8
- 2.Qb2#
- 2.Qa1#
- 2.Qc3#
- 1...e3
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 2.Qxe3#
- 2.cxb8Q#
- 2.cxb8B#
- 1...g5
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Sxd7!
- threat
- 1.Rd8?
- threat
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rxc2
- 2.Qd6#
- 1...Rxf3
- 2.Bd4#
- 2.Qd6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Bxc7
- 2.Qb2#
- 2.Qa1#
- 2.Qc3#
- 1...Sxd5
- 2.Qd6#
- 1...exf3
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 2.Qe3#
- 2.cxb8Q#
- 2.cxb8B#
- 1...exd5
- 2.Qd6#
- 2.Qe7#
- 1...Rf1
- 2.Bd4#
- 2.Qb2#
- 2.Qd6#
- 2.Qc3#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rd2
- 2.Qd6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Re2
- 2.Bd4#
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rg2
- 2.Bd4#
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rh2
- 2.Bd4#
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Ba7
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 1...Sa4
- 2.Qd6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Sc4
- 2.Qc3#
- 1...Sa8
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 1...Sc8
- 2.Qb2#
- 2.Qa1#
- 2.Qc3#
- 1...e3
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 2.Qxe3#
- 2.cxb8Q#
- 2.cxb8B#
- 1...g5
- 2.Qb2#
- 2.Qd6#
- 2.Qa1#
- 2.Qc3#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Sd7!
- threat
- 1.Qc5?
- threat
- 2.Rxe6#
- 1...exd5
- 2.Rxe4#
- 1...Sxd5!
- threat
- 1.c8Q?
- threat
- 2.Qxe6#
- 2.Qcc3#
- 1...Rxc2
- 2.Qxe6#
- 1...Rxf3
- 2.Bd4#
- 2.Qxe6#
- 1...Bxd6
- 2.Qxe6#
- 1...Sxd5
- 2.Rxe6#
- 2.Qxe6#
- 1...exd5
- 2.Re6#
- 2.Qe6#
- 1...Rd2
- 2.Qxe6#
- 1...Bc7
- 2.Qxe6#
- 1...Sa4
- 2.Qxe6#
- 1...Sc4
- 2.Qxe6#
- 1...Sd7
- 2.Qcc3#
- 1...Sxc8!
- threat
- 1.Kf7?
- Keys
- 1.Scb4!
- threat
- 2.Sc6#
- 1...Kd4
- 2.Rxe4#
- 1...Kxd6
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rc2
- 2.Rxe6#
- threat
- 1.Scb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- R(a);OGATE::B(A)
- R(a);OGATE,XP(D)::B(A)
- Tries
- Try
- K(L);S_FLIGHT
- Threat
- R1(F),XP(b)
- Vars
- R(a);OGATE,P_PINR(F),XP(D)::B(A)
- P(e);SBLOCK,XP(H)::R1(J)
- R(a);OGATE::B(A)
- P(b);::R1(F)
- Refutation
- P(b);XP(D)
- Try
- S(B);
- Threat
- S(B)
- Vars
- K(c);P_SPINP(b),P_SPINR(a),S_FLIGHT,XS(B)::R1(F),XP(b)
- Refutation
- R(a);
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- R(a);XS(B)::R1(J),XP(e)
- S(d);XP(H)::S(I)
- P(e);XP(H)::S(I)
- Refutation
- K(c);S_FLIGHT,XR(J)
- Try
- R(F);
- Threat
- R1(F),XP(e)
- Refutation
- K(c);P_SPINP(e),S_FLIGHT,XR(F)
- Try
- R(J);XS(d)
- Threat
- QAB1(C)
- Vars
- K(c);OGATEB,P-FLIGHT,XP(H)::QAR1(C)
- Refutation
- B(g);XP(K)
- Try
- R(J);
- Threat
- DUALS(6)
- Vars
- R(a);XS(B)::QAB1(C)
- S(d);XP(H)::QAB1(C)
- S(d);::QAB(C)
- Refutation
- S(d);XR(J)
- Try
- R(J);
- Threat
- DUALS(6)
- Vars
- R(a);XS(B)::QAB1(C)
- S(d);XP(H)::QAB1(C)
- S(d);::QAB(C)
- Refutation
- S(d);
- Try
- Q(C);
- Threat
- R1(J),XP(e)
- Vars
- P(e);P_SPINP(e),XP(H)::R1(F),XP(b)
- Refutation
- S(d);P_SPINS(d),XP(H)
- Try
- P(K);
- Threat
- DUALS(2)
- Vars
- R(a);XS(B)::QAR1(K),XP(e)
- B(g);XR(J)::QAR1(K),XP(e)
- R(a);::QAR1(K),XP(e)
- B(g);::QAR1(K),XP(e)
- S(d);::QAR1(K),XP(e)
- S(d);::QAB(K)
- Refutation
- S(d);XQ(K)
- Try
- Actual
- S(B);
- Threat
- S(B)
- Vars
- K(c);P_SPINP(b),P_SPINR(a),S_FLIGHT::R1(F),XP(b)
- K(c);S_FLIGHT,XR(J)::PXB(g)=Q
- R(a);::R1(J),XP(e)
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).