MESON Chess Problem Database
Problem Display
PID: 245859 (3R2b1/P1Bn1Q2/6pb/1Kp5/2NNk1P1/1B1n2q1/2P2PP1/3R4 w - - 0 1)
Dimitrov, Nikolai
Shakhmatna misl, 1954
#2
13 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.a8Q#
- 2.a8B#
- 1...Se1
- 2.a8Q#
- 2.a8B#
- 1...Sb2
- 2.a8Q#
- 2.a8B#
- 1...Sxf2
- 2.a8Q#
- 2.a8B#
- 1...S3e5
- 2.Sd6#
- 1...Sb6
- 2.Qxg6#
- 1...Sf6
- 2.Qxg6#
- 1...Sb8
- 2.Qxg6#
- 1...Sf8
- 2.a8Q#
- 2.a8B#
- 1...cxd4
- 2.a8Q#
- 2.a8B#
- 1...Sc1
- Tries
- 1.Se2?
- threat
- 2.a8Q#
- 2.a8B#
- 1...Qxf2
- 2.cxd3#
- 2.a8Q#
- 2.a8B#
- 1...Qxc7
- 2.Qf3#
- 2.cxd3#
- 2.f3#
- 1...Qxg2
- 2.cxd3#
- 2.a8Q#
- 2.a8B#
- 1...Qxg4
- 2.cxd3#
- 2.a8Q#
- 2.a8B#
- 1...Sxf2
- 2.Sxg3#
- 2.Qxg6#
- 2.a8Q#
- 2.a8B#
- 1...Qh2
- 2.Qf3#
- 2.cxd3#
- 2.f3#
- 2.a8Q#
- 2.a8B#
- 1...Qf4
- 2.cxd3#
- 2.a8Q#
- 2.a8B#
- 1...Qh4
- 2.Qf3#
- 2.cxd3#
- 2.f3#
- 2.a8Q#
- 2.a8B#
- 1...Qe5
- 2.Qf3#
- 2.cxd3#
- 2.f3#
- 1...Qd6
- 2.Qf3#
- 2.f3#
- 1...Qe3
- 2.a8Q#
- 2.a8B#
- 1...Qf3
- 2.Qxf3#
- 2.gxf3#
- 2.a8Q#
- 2.a8B#
- 1...Qh3
- 2.a8Q#
- 2.a8B#
- 1...Bc1
- 2.a8Q#
- 2.a8B#
- 1...Bd2
- 2.Sxd2#
- 2.a8Q#
- 2.a8B#
- 1...Be3
- 2.cxd3#
- 2.a8Q#
- 2.a8B#
- 1...Bf4
- 2.a8Q#
- 2.a8B#
- 1...Bg5
- 2.a8Q#
- 2.a8B#
- 1...Bg7
- 2.Sd2#
- 2.a8Q#
- 2.a8B#
- 1...Bf8
- 2.Sd2#
- 2.a8Q#
- 2.a8B#
- 1...Bh7
- 2.a8Q#
- 2.a8B#
- 1...Sc1
- 2.Sxg3#
- 2.Qxg6#
- 2.a8Q#
- 2.a8B#
- 1...Se1
- 2.Sxg3#
- 2.Qxg6#
- 2.a8Q#
- 2.a8B#
- 1...Sb2
- 2.Sxg3#
- 2.Qxg6#
- 2.a8Q#
- 2.a8B#
- 1...Sb4
- 2.Sxg3#
- 2.Qxg6#
- 1...Sf4
- 2.Sxg3#
- 2.Sd2#
- 1...S3e5
- 2.Sxg3#
- 2.Sd6#
- 1...S7e5
- 2.Sc3#
- 2.Sxg3#
- 2.Sd6#
- 1...Sb6
- 2.Sc3#
- 2.Sxg3#
- 2.Qxg6#
- 1...Sf6
- 2.Sc3#
- 2.Sxg3#
- 2.Qxg6#
- 1...Sb8
- 2.Sc3#
- 2.Sxg3#
- 2.Qxg6#
- 1...Sf8
- 2.Sc3#
- 2.Sxg3#
- 2.a8Q#
- 2.a8B#
- 1...g5
- 2.Sd2#
- 2.Qf5#
- 2.a8Q#
- 2.a8B#
- 1...Bxf7!
- threat
- 1.Qf3+?
- 1...Kxd4
- 2.Rxd3#
- 1...Qxf3!
- 1...Kxd4
- 1.f3+?
- 1...Kxd4
- 2.Rxd3#
- 1...Qxf3!
- 1...Kxd4
- 1.Se2?
- Keys
- 1.Se6!
- threat
- 2.a8Q#
- 2.a8B#
- 1...Kd5
- 2.a8Q#
- 2.a8B#
- 1...Qxf2
- 2.a8Q#
- 2.a8B#
- 1...Qxc7
- 2.Qf3#
- 1...Qxg2
- 2.a8Q#
- 2.a8B#
- 1...Qxg4
- 2.a8Q#
- 2.a8B#
- 1...Bxf7
- 2.a8Q#
- 2.a8B#
- 1...Sxf2
- 2.Qxg6#
- 2.a8Q#
- 2.a8B#
- 1...Qh2
- 2.Qf3#
- 2.a8Q#
- 2.a8B#
- 1...Qf4
- 2.a8Q#
- 2.a8B#
- 1...Qh4
- 2.Qf3#
- 2.a8Q#
- 2.a8B#
- 1...Qe5
- 2.Qf3#
- 1...Qd6
- 2.Qf3#
- 1...Qe3
- 2.a8Q#
- 2.a8B#
- 1...Qf3
- 2.Qxf3#
- 2.a8Q#
- 2.a8B#
- 1...Qh3
- 2.a8Q#
- 2.a8B#
- 1...Bc1
- 2.a8Q#
- 2.a8B#
- 1...Bd2
- 2.Sxd2#
- 2.a8Q#
- 2.a8B#
- 1...Be3
- 2.a8Q#
- 2.a8B#
- 1...Bf4
- 2.a8Q#
- 2.a8B#
- 1...Bg5
- 2.a8Q#
- 2.a8B#
- 1...Bg7
- 2.Sd2#
- 2.a8Q#
- 2.a8B#
- 1...Bf8
- 2.Sd2#
- 2.a8Q#
- 2.a8B#
- 1...Bh7
- 2.a8Q#
- 2.a8B#
- 1...Sc1
- 2.Qxg6#
- 2.a8Q#
- 2.a8B#
- 1...Se1
- 2.Qxg6#
- 2.a8Q#
- 2.a8B#
- 1...Sb2
- 2.Qxg6#
- 2.a8Q#
- 2.a8B#
- 1...Sb4
- 2.Qxg6#
- 1...Sf4
- 2.Sd2#
- 1...S3e5
- 2.Sd6#
- 1...S7e5
- 2.Sd6#
- 1...Sb6
- 2.Qxg6#
- 1...Sf6
- 2.Qxg6#
- 1...Sb8
- 2.Qxg6#
- 1...Sf8
- 2.a8Q#
- 2.a8B#
- 1...g5
- 2.Sd2#
- 2.Qf5#
- 2.a8Q#
- 2.a8B#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- S(a);::P=Q
- S(a);XP(C)::P=Q
- S(a);SBLOCK,S_CUTQ(b)::S(F)
- S(g);::QAB(L),XP(e)
- S(g);::P=Q
- P(d);SBLOCK,XS(G)::P=Q
- Tries
- Try
- S(G);
- Threat
- P=Q
- Vars
- Q(b);::P=Q
- B(f);::P=Q
- B(h);::P=Q
- Refutation
- B(h);XQ(L)
- Try
- Q(L);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINS(a),XS(G)::R1(A),XS(a)
- Refutation
- Q(b);XQ(L)
- Try
- P(C);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINS(a),XS(G)::R1(A),XS(a)
- Refutation
- Q(b);XP(C)
- Try
- Actual
- S(G);
- Threat
- P=Q
- Vars
- K(c);P_SPINS(a),S_FLIGHT::P=Q
- Q(b);XP(C)::P=Q
- Q(b);N_GUARD,XB(K)::QAB1(L)
- Q(b);XP(D)::P=Q
- Q(b);XP(H)::P=Q
- B(h);XQ(L)::P=Q
- Q(b);::P=Q
- Q(b);N_GUARD::QAB1(L)
- B(f);::P=Q
- B(h);::P=Q
- S(a);::QAB(L),XP(e)
- S(a);S_CUTB(f)::S(F)
- S(a);SBLOCK,S_CUTQ(b)::S(F)
- S(g);SBLOCK,S_CUTQ(b)::S(F)
- S(g);::QAB(L),XP(e)
- S(g);::P=Q
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).