MESON Chess Problem Database
Problem Display
PID: 40888 (5R2/p2Np2p/PbP1k1bR/1p6/1N1pPB1p/2nQ2nr/2K4p/7B w - - 0 1)
Lacny, Ludovit
1st Prize, Sachove umeni (Ceskoslovensky sach), 1952
#2
11 + 13
| 3105 | FIDE Album (1945-1955) | 1964 |
SOLUTION
- SOUND
- Sets
- 1...Ba5
- 2.Sc5#
- 1...Bc5
- 2.Sxc5#
- 1...Bc7
- 2.Sc5#
- 1...Bd8
- 2.Sc5#
- 1...Sb1
- 2.Qb3#
- 1...Sd1
- 2.Qb3#
- 1...Sa2
- 2.Qb3#
- 1...Sce2
- 2.Qb3#
- 1...Sa4
- 2.Qb3#
- 1...Scxe4
- 2.Qb3#
- 1...Sd5
- 2.exd5#
- 1...Sf1
- 2.Qxh3#
- 1...Sxh1
- 2.Qxh3#
- 1...Sge2
- 2.Qxh3#
- 1...Sgxe4
- 2.Qxh3#
- 1...Sf5
- 2.exf5#
- 1...Sh5
- 2.Qxh3#
- 1...Ba5
- Tries
- 1.Sxb6?
- 1...Scxe4
- 2.Qb3#
- 1...Sxh1
- 2.Qxh3#
- 1...Sgxe4
- 2.Qxh3#
- 1...Sb1
- 2.Qb3#
- 1...Sd1
- 2.Qb3#
- 1...Sa2
- 2.Qb3#
- 1...Sce2
- 2.Qb3#
- 1...Sa4
- 2.Qb3#
- 1...Sd5
- 2.exd5#
- 1...Sf1
- 2.Qxh3#
- 1...Sge2
- 2.Qxh3#
- 1...Sf5
- 2.exf5#
- 1...Sh5
- 2.Qxh3#
- 1...axb6!
- 1...Scxe4
- 1.Bc7?
- 1...Scxe4
- 2.Qb3#
- 1...Sxh1
- 2.Qxh3#
- 1...Sgxe4
- 2.Qxh3#
- 1...Ba5
- 2.Sc5#
- 1...Bc5
- 2.Sxc5#
- 1...Sb1
- 2.Qb3#
- 1...Sd1
- 2.Qb3#
- 1...Sa2
- 2.Qb3#
- 1...Sce2
- 2.Qb3#
- 1...Sa4
- 2.Qb3#
- 1...Sd5
- 2.exd5#
- 1...Sf1
- 2.Qxh3#
- 1...Sge2
- 2.Qxh3#
- 1...Sf5
- 2.exf5#
- 1...Sh5
- 2.Qxh3#
- 1...Bxc7!
- 1...Scxe4
- 1.Bb8?
- 1...Scxe4
- 2.Qb3#
- 1...Sxh1
- 2.Qxh3#
- 1...Sgxe4
- 2.Qxh3#
- 1...Ba5
- 2.Sc5#
- 1...Bc5
- 2.Sxc5#
- 1...Bd8
- 2.Sc5#
- 1...Sb1
- 2.Qb3#
- 1...Sd1
- 2.Qb3#
- 1...Sa2
- 2.Qb3#
- 1...Sce2
- 2.Qb3#
- 1...Sa4
- 2.Qb3#
- 1...Sd5
- 2.exd5#
- 1...Sf1
- 2.Qxh3#
- 1...Sge2
- 2.Qxh3#
- 1...Sf5
- 2.exf5#
- 1...Sh5
- 2.Qxh3#
- 1...Bc7!
- 1...Scxe4
- 1.Qc4+?
- 1...Sd5
- 2.Qxd5#
- 1...bxc4!
- 1...Sd5
- 1.Qxd4?
- threat
- 2.Qe5#
- 1...Bc7
- 2.Sc5#
- 1...Bxd4!
- threat
- 1.Sxb6?
- Keys
- 1.e5!
- 1...Sxh1
- 2.Qf5#
- 1...Ba5
- 2.Sc5#
- 1...Bc5
- 2.Sxc5#
- 1...Bc7
- 2.Sc5#
- 1...Bd8
- 2.Sc5#
- 1...Sb1
- 2.Bd5#
- 1...Sd1
- 2.Bd5#
- 1...Sa2
- 2.Bd5#
- 1...Sce2
- 2.Bd5#
- 1...Sa4
- 2.Bd5#
- 1...Sce4
- 2.Qb3#
- 1...Sd5
- 2.Bxd5#
- 1...Sf1
- 2.Qf5#
- 1...Sge2
- 2.Qf5#
- 1...Sge4
- 2.Qxh3#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Sxh1
- 1.e5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 11
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(h);N_GUARD::S(J)
- B(h);N_GUARD::S(J),XB(h)
- S(b);OGATE::QAB(C)
- S(b);OGATE,XP(E)::QAB(C)
- S(b);OGATE::P(E),XS(b)
- S(c);OGATE::QAB(C),XR(d)
- S(c);OGATE,XB(A)::QAB(C),XR(d)
- S(c);OGATE,XP(E)::QAB(C),XR(d)
- S(c);OGATE::P(E),XS(c)
- Tries
- Try
- S(J);XB(h)
- Vars
- S(b);OGATE,XP(E)::QAB(C)
- S(c);OGATE,XB(A)::QAB(C),XR(d)
- S(c);OGATE,XP(E)::QAB(C),XR(d)
- S(b);OGATE::QAB(C)
- S(b);OGATE::P(E),XS(b)
- S(c);OGATE::QAB(C),XR(d)
- S(c);OGATE::P(E),XS(c)
- Refutation
- P(k);XS(J)
- Try
- B(F);
- Vars
- S(b);OGATE,XP(E)::QAB(C)
- S(c);OGATE,XB(A)::QAB(C),XR(d)
- S(c);OGATE,XP(E)::QAB(C),XR(d)
- B(h);N_GUARD::S(J)
- B(h);N_GUARD::S(J),XB(h)
- S(b);OGATE::QAB(C)
- S(b);OGATE::P(E),XS(b)
- S(c);OGATE::QAB(C),XR(d)
- S(c);OGATE::P(E),XS(c)
- Refutation
- B(h);XB(F)
- Try
- B(F);
- Vars
- S(b);OGATE,XP(E)::QAB(C)
- S(c);OGATE,XB(A)::QAB(C),XR(d)
- S(c);OGATE,XP(E)::QAB(C),XR(d)
- B(h);N_GUARD::S(J)
- B(h);N_GUARD::S(J),XB(h)
- S(b);OGATE::QAB(C)
- S(b);OGATE::P(E),XS(b)
- S(c);OGATE::QAB(C),XR(d)
- S(c);OGATE::P(E),XS(c)
- Refutation
- B(h);
- Try
- Q(C);CHECK,P_SPINP(E)
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAB1(C),XS(b)
- Refutation
- P(g);XQ(C)
- Try
- Q(C);P_SPINP(E),XP(e)
- Threat
- QAR1(C)
- Vars
- B(h);N_GUARD::S(J)
- Refutation
- B(h);XQ(C)
- Try
- Actual
- P(E);P_SPINQ(C)
- Vars
- S(c);N_GUARD,XB(A)::QAB1(C)
- B(h);N_GUARD::S(J)
- B(h);N_GUARD::S(J),XB(h)
- S(b);N_GUARD::B(A)
- S(b);N_PINQ(C)::QAB(C)
- S(b);N_GUARD::B(A),XS(b)
- S(c);N_GUARD::QAB1(C)
- S(c);N_PINQ(C)::QAB(C),XR(d)
- S(c);N_GUARD,N_PINQ(C)::QAB1(C),XS(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).