MESON Chess Problem Database
Problem Display
PID: 22172 (3rq3/8/3nP3/NrnBbb2/1p1k1p2/5Q2/3B4/2RKN3 w - - 0 1)
Levman, Semyon Semyonovich
4th Prize, La Settimana Enigmistica, 1936
#2
8 + 10
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
SOLUTION
- SOUND
- Sets
- 1...Qh5
- 2.Sc6#
- 1...Qc6
- 2.Sxc6#
- 1...Qg6
- 2.Sc6#
- 1...Qf7
- 2.Sc6#
- 1...Qxe6
- 2.Sc6#
- 1...Qe7
- 2.Sc6#
- 1...Qf8
- 2.Sc6#
- 1...Qg8
- 2.Sc6#
- 1...Qh8
- 2.Sc6#
- 1...Rd7
- 2.Sc6#
- 1...Bc2+
- 2.Sxc2#
- 1...Bh3
- 2.Sc2#
- 1...Bg4
- 2.Sc2#
- 1...Bxe6
- 2.Sc2#
- 1...Sb3
- 2.Sxb3#
- 1...Sd3
- 2.Sb3#
- 1...Sa4
- 2.Sb3#
- 1...Sce4
- 2.Qd3#
- 1...Sa6
- 2.Sb3#
- 1...Sxe6
- 2.Sb3#
- 1...Scb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 2.Sc6#
- 1...Sc4
- 2.Rxc4#
- 1...Sdb7
- 2.Rc4#
- 1...Sf7
- 2.Rc4#
- 1...Sc8
- 2.Rc4#
- 1...b3
- 2.Bc3#
- 1...Qh5
- Tries
- 1.Bc6?
- threat
- 2.Qd5#
- 2.Qf2#
- 1...Bc2+
- 2.Sxc2#
- 1...Qxc6
- 2.Sxc6#
- 1...Qxe6
- 2.Qf2#
- 1...Bxe6
- 2.Sc2#
- 2.Qf2#
- 1...Sxe6
- 2.Sb3#
- 2.Qf2#
- 1...Bf6
- 2.Qd5#
- 1...Bg7
- 2.Qd5#
- 1...Bh8
- 2.Qd5#
- 1...Be4
- 2.Qf2#
- 1...Bg4
- 2.Sc2#
- 1...Sb3
- 2.Sxb3#
- 2.Qf2#
- 1...Sd3
- 2.Sb3#
- 1...Sa4
- 2.Sb3#
- 2.Qf2#
- 1...Sce4
- 2.Sb3#
- 2.Qd3#
- 1...Sa6
- 2.Sb3#
- 2.Qf2#
- 1...Scb7
- 2.Sb3#
- 2.Qf2#
- 1...Sd7
- 2.Sb3#
- 2.Qf2#
- 1...Sc4
- 2.Rxc4#
- 1...Sde4
- 2.Sc2#
- 2.Rc4#
- 1...Sdb7
- 2.Rc4#
- 2.Qf2#
- 1...Sf7
- 2.Rc4#
- 2.Qf2#
- 1...Sc8
- 2.Rc4#
- 2.Qf2#
- 1...Qh5!
- threat
- 1.Bb7?
- threat
- 2.Qd5#
- 2.Qf2#
- 1...Bc2+
- 2.Sxc2#
- 1...Qxe6
- 2.Sc6#
- 2.Qf2#
- 1...Bxe6
- 2.Sc2#
- 2.Qf2#
- 1...Sxe6
- 2.Sb3#
- 2.Qf2#
- 1...Scxb7
- 2.Sb3#
- 1...Sdxb7
- 2.Rc4#
- 1...Bf6
- 2.Qd5#
- 1...Bg7
- 2.Qd5#
- 1...Bh8
- 2.Qd5#
- 1...Qh5
- 2.Sc6#
- 1...Qc6
- 2.Sxc6#
- 1...Be4
- 2.Qf2#
- 1...Bg4
- 2.Sc2#
- 1...Sb3
- 2.Sxb3#
- 2.Qf2#
- 1...Sd3
- 2.Sb3#
- 1...Sa4
- 2.Sb3#
- 2.Qf2#
- 1...Sce4
- 2.Sb3#
- 2.Qd3#
- 1...Sa6
- 2.Sb3#
- 2.Qf2#
- 1...Sd7
- 2.Sb3#
- 2.Sc6#
- 2.Qf2#
- 1...Sc4
- 2.Rxc4#
- 1...Sde4
- 2.Sc2#
- 2.Rc4#
- 1...Sf7
- 2.Rc4#
- 2.Qf2#
- 1...Sc8
- 2.Rc4#
- 2.Qf2#
- 1...Rxb7!
- threat
- 1.Bc6?
- Keys
- 1.Ba2!
- threat
- 2.Qd5#
- 1...Bc2+
- 2.Sxc2#
- 1...Qxe6
- 2.Sc6#
- 1...Bxe6
- 2.Sc2#
- 1...Sxe6
- 2.Sb3#
- 1...Qh5
- 2.Sc6#
- 1...Qc6
- 2.Sxc6#
- 1...Be4
- 2.Qf2#
- 1...Bg4
- 2.Sc2#
- 1...Sb3
- 2.Sxb3#
- 1...Sd3
- 2.Sb3#
- 1...Sa4
- 2.Sb3#
- 1...Sce4
- 2.Qd3#
- 1...Sa6
- 2.Sb3#
- 1...Scb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 2.Sc6#
- 1...Sc4
- 2.Rxc4#
- 1...Sde4
- 2.Sc2#
- 1...Sdb7
- 2.Rc4#
- 1...Sf7
- 2.Rc4#
- 1...Sc8
- 2.Rc4#
- 1...b3
- 2.Bc3#
- threat
- 1.Ba2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- Q(j);N_GUARD,P_PINQ(E)::S(F)
- Q(j);N_GUARD::S(F),XQ(j)
- Q(j);N_GUARD::S(F)
- Q(j);N_GUARD,XP(H)::S(F)
- R(i);S_CUTQ(j)::S(F)
- B(g);CHECK,N_GUARD::S(C),XB(g)
- B(g);N_GUARD::S(C)
- B(g);N_GUARD,P_PINQ(E)::S(C)
- B(g);N_GUARD,XP(H)::S(C)
- S(e);N_GUARD::S(F),XS(e)
- S(e);N_GUARD::S(F)
- S(e);N_GUARD,S_CUTB(g)::QAR1(E)
- S(e);N_GUARD,XP(H)::S(F)
- S(h);N_GUARD::R1(A),XS(h)
- S(h);N_GUARD::R1(A)
- P(a);N_GUARD::B(D)
- Tries
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,N_GUARD::S(C),XB(g)
- Q(j);XB(G)::S(F),XQ(j)
- Q(j);XP(H)::QAB(E)
- B(f);::QAR1(E)
- B(g);::QAB(E)
- B(g);N_GUARD,P_PINQ(E)::S(C)
- S(e);N_GUARD::S(F)
- S(h);N_GUARD::R1(A),XS(h)
- Refutation
- Q(j);P_PINQ(E)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,N_GUARD::S(C),XB(g)
- S(e);N_GUARD,XB(G)::S(F)
- S(h);N_GUARD,XB(G)::R1(A)
- B(f);::QAR1(E)
- Q(j);N_GUARD,P_PINQ(E)::S(F)
- Q(j);N_GUARD::S(F),XQ(j)
- B(g);::QAB(E)
- B(g);N_GUARD,P_PINQ(E)::S(C)
- S(e);N_GUARD::S(F)
- S(h);N_GUARD::R1(A),XS(h)
- Refutation
- R(d);XB(G)
- Try
- Actual
- B(G);
- Threat
- QAR1(E)
- Vars
- B(g);CHECK,N_GUARD::S(C),XB(g)
- Q(j);N_GUARD,XP(H)::S(F)
- B(g);N_GUARD,XP(H)::S(C)
- S(e);N_GUARD,XP(H)::S(F)
- Q(j);N_GUARD,P_PINQ(E)::S(F)
- Q(j);N_GUARD::S(F),XQ(j)
- B(g);SBLOCK::QAB(E)
- B(g);N_GUARD,P_PINQ(E)::S(C)
- S(e);N_GUARD::S(F),XS(e)
- S(e);N_GUARD::S(F)
- S(e);N_GUARD,S_CUTB(g)::QAR1(E)
- S(h);N_GUARD::R1(A),XS(h)
- S(h);S_CUTB(g)::S(C)
- S(h);N_GUARD::R1(A)
- P(a);N_GUARD::B(D)
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).