MESON Chess Problem Database
Problem Display
PID: 109498 (8/4p3/3pp2p/3bk2p/4PR1Q/1pP1N2p/1P5P/2n1N1nK w - - 0 1)
Tampico, RB
Correspondence Chess League of USA, 1936
#2
9 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bc4
- 2.Sxc4#
- 1...Bxe4+
- 2.Rxe4#
- 1...Bc6
- 2.Sc4#
- 1...Bb7
- 2.Sc4#
- 1...Ba8
- 2.Sc4#
- 1...Sa2
- 2.Sd3#
- 1...Sce2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sge2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Bc4
- Tries
- 1.Kxg1?
- threat
- 2.Sf3#
- 1...Bxe4
- 2.Rxe4#
- 1...Se2+!
- threat
- 1.Sxd5?
- threat
- 2.Qxh5#
- 1...Sf3
- 2.Sxf3#
- 1...exd5!
- threat
- 1.Rf1?
- threat
- 2.Qf4#
- 1...Sce2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sge2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Bxe4+!
- threat
- 1.Rf2?
- threat
- 2.Qf4#
- 1...Sce2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sge2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Bxe4+!
- threat
- 1.Rf3?
- threat
- 2.Qf4#
- 1...Sxf3
- 2.Sxf3#
- 1...Sce2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sge2!
- threat
- 1.Rg4?
- 1...Bxe4+
- 2.Rxe4#
- 1...Bc4
- 2.Sxc4#
- 1...Bc6
- 2.Sc4#
- 1...Bb7
- 2.Sc4#
- 1...Ba8
- 2.Sc4#
- 1...Sa2
- 2.Sd3#
- 1...Sce2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sge2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...hxg4!
- 1...Bxe4+
- 1.Rf7?
- threat
- 2.Qf4#
- 1...Sce2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sge2
- 2.Sf3#
- 1...Bxe4+!
- threat
- 1.Rf8?
- threat
- 2.Qf4#
- 1...Sce2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sge2
- 2.Sf3#
- 1...Bxe4+!
- threat
- 1.Kxg1?
- Keys
- 1.Qg3!
- 1...Bxe4+
- 2.Rf3#
- 1...Bc4
- 2.Sxc4#
- 1...Bc6
- 2.Sc4#
- 1...Bb7
- 2.Sc4#
- 1...Ba8
- 2.Sc4#
- 1...Sa2
- 2.Sd3#
- 1...Sce2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sge2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...h4
- 2.Sg4#
- 1...Bxe4+
- 1.Qg3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(e);N_GUARD,N_PINP(G)::S(F),XB(e)
- B(e);CHECK,OGATE,XP(G)::R1(H),XB(e)
- B(e);N_GUARD::S(F)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(b);N_GUARD::S(A)
- S(b);N_GUARD,N_PINP(G)::S(A),XS(b)
- Tries
- Try
- K(B);N_SPINP(G),P-FLIGHT,XS(b)
- Threat
- S(A)
- Vars
- B(e);OGATE,XP(G)::R1(H),XB(e)
- Refutation
- S(a);CHECK
- Try
- S(F);N_SPINP(G),XB(e)
- Threat
- QAR(I),XP(g)
- Vars
- S(b);N_GUARD::S(A),XS(b)
- Refutation
- P(i);XS(F)
- Try
- R(H);
- Threat
- QAB1(I)
- Vars
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(b);N_GUARD::S(A)
- S(b);N_GUARD,N_PINP(G)::S(A),XS(b)
- Refutation
- B(e);CHECK,XP(G)
- Try
- R(H);
- Threat
- QAB1(I)
- Vars
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(b);N_GUARD::S(A)
- S(b);N_GUARD,N_PINP(G)::S(A),XS(b)
- Refutation
- B(e);CHECK,XP(G)
- Try
- R(H);N_SPINP(G)
- Threat
- QAB1(I)
- Vars
- S(b);XR(H)::S(A),XS(b)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- Refutation
- S(b);
- Try
- R(H);
- Vars
- B(e);CHECK,OGATE,XP(G)::R1(H),XB(e)
- B(e);N_GUARD,N_PINP(G)::S(F),XB(e)
- B(e);N_GUARD::S(F)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(b);N_GUARD::S(A)
- S(b);N_GUARD,N_PINP(G)::S(A),XS(b)
- Refutation
- P(g);XR(H)
- Try
- R(H);
- Threat
- QAB1(I)
- Vars
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(b);N_GUARD::S(A)
- Refutation
- B(e);CHECK,XP(G)
- Try
- R(H);
- Threat
- QAB1(I)
- Vars
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(b);N_GUARD::S(A)
- Refutation
- B(e);CHECK,XP(G)
- Try
- Actual
- Q(I);
- Vars
- B(e);CHECK,SBLOCK,XP(G)::QAB(I)+R(H)
- B(e);N_GUARD,N_PINP(G)::S(F),XB(e)
- B(e);N_GUARD::S(F)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(b);N_GUARD::S(A)
- S(b);N_GUARD,N_PINP(G)::S(A),XS(b)
- P(g);N_GUARD::S(F)
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).