MESON Chess Problem Database
Problem Display
PID: 43351 (5RNB/1RK1P2P/r1n5/P1pkP1N1/6p1/1PP1p1p1/3p2b1/2b3Qq w - - 0 1)
Slesarenko, Anatoly Vasilevich
4th HM., The Problemist, 2002/I
#2
13 + 11
| 56 | The Problemist | 2006 |
| 15174 | FIDE Album (2001-2003) | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Qh4
- 2.Qxg2#
- 1...Qh5
- 2.Qxg2#
- 1...Qh6
- 2.Qxg2#
- 1...Sd4
- 2.c4#
- 1...Sxe7
- 2.Sxe7#
- 1...e2
- 2.c4#
- 1...c4
- 2.Rb5#
- 1...Qh4
- Tries
- 1.Qxe3?
- threat
- 2.Sf6#
- 2.c4#
- 1...Sxa5
- 2.Qd3#
- 1...Sxe5
- 2.Qxe5#
- 1...Sxe7
- 2.Sxe7#
- 2.Qd3#
- 2.c4#
- 1...Qh6
- 2.c4#
- 1...Bf1
- 2.Sf6#
- 1...Be4
- 2.c4#
- 1...Sb4
- 2.c4#
- 1...Sd4
- 2.c4#
- 1...Sa7
- 2.Qd3#
- 2.c4#
- 1...Sb8
- 2.Qd3#
- 2.c4#
- 1...Sd8
- 2.Qd3#
- 2.c4#
- 1...c4
- 2.Sf6#
- 2.Rb5#
- 1...Qf1!
- threat
- 1.e6?
- threat
- 2.c4#
- 1...Sxa5
- 2.Rf5#
- 1...c4
- 2.Rb5#
- 1...Se5
- 2.Sf6#
- 1...Bf1!
- threat
- 1.e8Q?
- threat
- 2.Sf6#
- 2.Qd7#
- 2.Qf7#
- 2.Qe6#
- 1...Sxa5
- 2.Se7#
- 1...Sxe5
- 2.Se7#
- 2.Qxe5#
- 1...c4
- 2.Rb5#
- 1...Qh5
- 2.Sf6#
- 2.Qd7#
- 2.Qxg2#
- 2.Qe6#
- 1...Qh6
- 2.Qxg2#
- 1...Sb4
- 2.Se7#
- 1...Sd4
- 2.Se7#
- 2.c4#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sb8
- 2.Se7#
- 1...Sd8
- 2.Se7#
- 1...Qxh7+!
- threat
- 1.e8B?
- threat
- 2.Bf7#
- 1...Sxa5
- 2.Se7#
- 1...Sxe5
- 2.Se7#
- 1...c4
- 2.Rb5#
- 1...Qh5
- 2.Qxg2#
- 1...Qh6
- 2.Qxg2#
- 1...Sb4
- 2.Se7#
- 1...Sd4
- 2.Se7#
- 2.c4#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sb8
- 2.Se7#
- 1...Sd8
- 2.Se7#
- 1...Qxh7+!
- threat
- 1.e8R?
- threat
- 2.Sf6#
- 1...Sxa5
- 2.Se7#
- 1...Sxe5
- 2.Se7#
- 2.Rxe5#
- 1...c4
- 2.Rb5#
- 1...Qh6
- 2.Qxg2#
- 1...Sb4
- 2.Se7#
- 1...Sd4
- 2.Se7#
- 2.c4#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sb8
- 2.Se7#
- 1...Sd8
- 2.Se7#
- 1...Qxh7+!
- threat
- 1.Qxe3?
- Keys
- 1.Rf5!
- threat
- 2.Sf6#
- 1...Sxa5
- 2.e6#
- 1...Sxe5
- 2.Rxe5#
- 1...Sxe7
- 2.Sxe7#
- 1...c4
- 2.Rb5#
- 1...Qh6
- 2.Qxg2#
- 1...Sb4
- 2.e6#
- 1...Sd4
- 2.c4#
- 1...Sa7
- 2.e6#
- 1...Sb8
- 2.e6#
- 1...Sd8
- 2.e6#
- threat
- 1.Rf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 3
- Sets
- Q(b);N_GUARD::QAB(A),XB(d)
- S(k);SBLOCK::P(C)
- S(k);XP(I)::S(L),XS(k)
- P(e);::P(C)
- P(h);OGATEB::R(G)
- Tries
- Try
- Q(A);XP(e)
- Threat
- DUALS(2)
- Vars
- S(k);N_GUARD,XP(D)::QAR2(A)
- S(k);OGATE,XP(E)::QAR1(A),XS(k)
- Q(b);::P(C)
- B(d);::S(L)
- B(d);::P(C)
- S(k);::P(C)
- Refutation
- Q(b);
- Try
- P(E);
- Threat
- P(C)
- Vars
- S(k);N_GUARD,XP(D)::R(K)
- P(h);OGATEB::R(G)
- S(k);SBLOCK::S(L)
- Refutation
- B(d);
- Try
- P(I);
- Threat
- DUALS(4)
- Vars
- S(k);N_GUARD,XP(D)::S(L)
- P(h);OGATEB::R(G)
- Q(b);N_GUARD::QAB(A),XB(d)
- S(k);N_GUARD::S(L)
- S(k);N_GUARD::S(L),XS(k)
- Refutation
- Q(b);CHECK,XP(J)
- Try
- P(I);
- Threat
- B(I)
- Vars
- S(k);N_GUARD,XP(D)::S(L)
- S(k);N_GUARD,XP(E)::S(L)
- P(h);OGATEB::R(G)
- Q(b);N_GUARD::QAB(A),XB(d)
- S(k);N_GUARD::S(L)
- S(k);N_GUARD::S(L),XS(k)
- Refutation
- Q(b);CHECK,XP(J)
- Try
- P(I);
- Threat
- S(L)
- Vars
- S(k);N_GUARD,XP(D)::S(L)
- P(h);OGATEB::R(G)
- Q(b);N_GUARD::QAB(A),XB(d)
- S(k);N_GUARD::S(L)
- S(k);N_GUARD::S(L),XS(k)
- Refutation
- Q(b);CHECK,XP(J)
- Try
- Actual
- R(K);
- Threat
- S(L)
- Vars
- S(k);N_GUARD,XP(D)::R(K)+P(E)
- S(k);OGATE,P_SPINS(k),XP(E)::R1(K),XS(k)
- S(k);XP(I)::S(L),XS(k)
- P(h);OGATEB::R(G)
- Q(b);N_GUARD::QAB(A),XB(d)
- S(k);N_GUARD::R(K)+P(E)
- S(k);SBLOCK::P(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).