MESON Chess Problem Database
Problem Display
PID: 85638 (6b1/5n1p/3p3P/2P1P3/p2PkpB1/PQR1p2N/4N3/1K6 w - - 0 1)
Pavlov, Mikhail Aleksandrovich
Revista Romana de Sah, 1987
#2
11 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sxe5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sxh6
- 2.Sg5#
- 1...Sd8
- 2.Sg5#
- 1...Sh8
- 2.Sg5#
- 1...f3
- 2.Rxe3#
- 1...dxc5
- 2.Qb7#
- 1...dxe5
- 2.Qb7#
- 1...d5
- 2.Qc2#
- 1...Sxe5
- Tries
- 1.Ka1?
- 1...Sxe5
- 2.Sg5#
- 1...Sxh6
- 2.Sg5#
- 1...dxc5
- 2.Qb7#
- 1...dxe5
- 2.Qb7#
- 1...Sg5
- 2.Sxg5#
- 1...Sd8
- 2.Sg5#
- 1...Sh8
- 2.Sg5#
- 1...f3
- 2.Rxe3#
- 1...d5
- 2.Qc2#
- 2.Qb1#
- 1...axb3!
- 1...Sxe5
- 1.Kc1?
- 1...Sxe5
- 2.Sg5#
- 1...Sxh6
- 2.Sg5#
- 1...dxc5
- 2.Qb7#
- 1...dxe5
- 2.Qb7#
- 1...Sg5
- 2.Sxg5#
- 1...Sd8
- 2.Sg5#
- 1...Sh8
- 2.Sg5#
- 1...f3
- 2.Rxe3#
- 1...d5
- 2.Qc2#
- 2.Qb1#
- 1...axb3!
- 1...Sxe5
- 1.Ka2?
- 1...Sxe5
- 2.Sg5#
- 1...Sxh6
- 2.Sg5#
- 1...dxc5
- 2.Qb7#
- 1...dxe5
- 2.Qb7#
- 1...Sg5
- 2.Sxg5#
- 1...Sd8
- 2.Sg5#
- 1...Sh8
- 2.Sg5#
- 1...f3
- 2.Rxe3#
- 1...d5
- 2.Qc2#
- 2.Qb1#
- 1...axb3+!
- 1...Sxe5
- 1.Kb2?
- 1...Sxe5
- 2.Sg5#
- 1...Sxh6
- 2.Sg5#
- 1...dxc5
- 2.Qb7#
- 1...dxe5
- 2.Qb7#
- 1...Sg5
- 2.Sxg5#
- 1...Sd8
- 2.Sg5#
- 1...Sh8
- 2.Sg5#
- 1...f3
- 2.Rxe3#
- 1...d5
- 2.Qc2#
- 1...axb3!
- 1...Sxe5
- 1.Shxf4?
- threat
- 2.Rxe3#
- 2.Qc2#
- 2.Qd5#
- 1...Sxe5
- 2.Rxe3#
- 1...Sxh6
- 2.Rxe3#
- 2.Qc2#
- 1...Sg5
- 2.Rxe3#
- 2.Qc2#
- 1...Sd8
- 2.Rxe3#
- 2.Qc2#
- 1...Sh8
- 2.Rxe3#
- 2.Qc2#
- 1...d5
- 2.Rxe3#
- 2.Qc2#
- 2.Qxd5#
- 1...axb3!
- threat
- 1.Qc4?
- 1...Sxe5
- 2.Sg5#
- 1...Sxh6
- 2.Sg5#
- 1...dxe5
- 2.d5#
- 1...Sg5
- 2.Sxg5#
- 1...Sd8
- 2.Sg5#
- 1...Sh8
- 2.Sg5#
- 1...f3
- 2.Sg3#
- 1...d5
- 2.Qd3#
- 1...dxc5!
- 1...Sxe5
- 1.cxd6?
- threat
- 2.Qb7#
- 1...Sxe5
- 2.Sg5#
- 1...Sxd6
- 2.Sg5#
- 1...Sxh6
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sd8
- 2.Sg5#
- 1...Sh8
- 2.Sg5#
- 1...axb3!
- threat
- 1.exd6?
- threat
- 2.Qb7#
- 1...Sxd6
- 2.Sg5#
- 1...Sxh6
- 2.Sg5#
- 1...Se5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sd8
- 2.Sg5#
- 1...Sh8
- 2.Sg5#
- 1...axb3!
- threat
- 1.e6?
- 1...Sxh6
- 2.Sg5#
- 1...dxc5
- 2.Qb7#
- 1...d5
- 2.Qc2#
- 1...Se5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sd8
- 2.Sg5#
- 1...Sh8
- 2.Sg5#
- 1...f3
- 2.Rxe3#
- 1...axb3!
- 1...Sxh6
- 1.Ka1?
- Keys
- 1.Qe6!
- 1...Sxe5
- 2.Sg5#
- 1...Sxh6
- 2.Sg5#
- 1...dxc5
- 2.Qc6#
- 1...dxe5
- 2.Qc6#
- 1...Sg5
- 2.Sxg5#
- 1...Sd8
- 2.Sg5#
- 1...Sh8
- 2.Sg5#
- 1...f3
- 2.Bf5#
- 1...d5
- 2.Qf5#
- 1...Sxe5
- 1.Qe6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(f);N_GUARD,XP(J)::S(F)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD,XP(K)::S(F)
- S(f);N_GUARD::S(F)
- P(d);N_GUARD::R1(E),XP(a)
- P(e);N_GUARD,XP(I)::QAB(D)
- P(e);N_GUARD,XP(J)::QAB(D)
- P(e);SBLOCK::QAB(D)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(f);N_GUARD,XP(J)::S(F)
- S(f);N_GUARD,XP(K)::S(F)
- P(e);N_GUARD,XP(I)::QAB(D)
- P(e);N_GUARD,XP(J)::QAB(D)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
- P(d);N_GUARD::R1(E),XP(a)
- Refutation
- P(b);XQ(D)
- Try
- K(A);P-FLIGHT
- Vars
- S(f);N_GUARD,XP(J)::S(F)
- S(f);N_GUARD,XP(K)::S(F)
- P(e);N_GUARD,XP(I)::QAB(D)
- P(e);N_GUARD,XP(J)::QAB(D)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
- P(d);N_GUARD::R1(E),XP(a)
- Refutation
- P(b);XQ(D)
- Try
- K(A);S_FLIGHT
- Vars
- S(f);N_GUARD,P_PINQ(D),XP(J)::S(F)
- S(f);N_GUARD,P_PINQ(D),XP(K)::S(F)
- P(e);N_GUARD,XP(I)::QAB(D)
- P(e);N_GUARD,XP(J)::QAB(D)
- S(f);N_GUARD,P_PINQ(D)::S(F),XS(f)
- S(f);N_GUARD,P_PINQ(D)::S(F)
- P(d);N_GUARD::R1(E),XP(a)
- Refutation
- P(b);CHECK,XQ(D)
- Try
- K(A);P-FLIGHT
- Vars
- S(f);N_GUARD,XP(J)::S(F)
- S(f);N_GUARD,XP(K)::S(F)
- P(e);N_GUARD,XP(I)::QAB(D)
- P(e);N_GUARD,XP(J)::QAB(D)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
- P(d);N_GUARD::R1(E),XP(a)
- P(e);SBLOCK::QAB(D)
- Refutation
- P(b);XQ(D)
- Try
- S(F);XP(d)
- Threat
- DUALS(3)
- Vars
- S(f);XP(J)::R1(E),XP(a)
- Refutation
- P(b);XQ(D)
- Try
- Q(D);
- Vars
- S(f);N_GUARD,XP(J)::S(F)
- S(f);N_GUARD,XP(K)::S(F)
- P(e);SBLOCK,XP(J)::QAR(D)+P(G)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
- P(d);N_GUARD::S(B)
- P(e);SBLOCK::QAB1(D)
- Refutation
- P(e);XP(I)
- Try
- P(I);XP(e)
- Threat
- QAB(D)
- Vars
- S(f);N_GUARD,XP(J)::S(F)
- S(f);N_GUARD,XP(I)::S(F)
- S(f);N_GUARD,XP(K)::S(F)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
- Refutation
- P(b);XQ(D)
- Try
- P(J);XP(e)
- Threat
- QAB(D)
- Vars
- S(f);N_GUARD,XP(J)::S(F)
- S(f);N_GUARD,XP(K)::S(F)
- S(f);N_GUARD::S(F)
- S(f);N_GUARD::S(F),XS(f)
- Refutation
- P(b);XQ(D)
- Try
- P(J);
- Vars
- S(f);N_GUARD,XP(K)::S(F)
- P(e);N_GUARD,XP(I)::QAB(D)
- P(e);SBLOCK::QAB(D)
- S(f);N_GUARD::S(F)
- S(f);N_GUARD::S(F),XS(f)
- P(d);N_GUARD::R1(E),XP(a)
- Refutation
- P(b);XQ(D)
- Try
- Actual
- Q(D);
- Vars
- S(f);N_GUARD,P_SPINS(f),XP(J)::S(F)
- S(f);N_GUARD,XP(K)::S(F)
- P(e);OGATE,XP(I)::QAB(D)
- P(e);OGATE,P_SPINP(e),XP(J)::QAB(D)
- S(f);N_GUARD::S(F),XS(f)
- S(f);N_GUARD::S(F)
- P(d);SBLOCK::B(H)
- P(e);SBLOCK::QAB1(D)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).