MESON Chess Problem Database
Problem Display
PID: 2121 (6Q1/7p/P4p1P/1Bnn1kb1/3P1P2/7P/3N4/R4R1K w - - 0 1)
Brown, Theodore Morris
Source?, 0000
#2
11 + 6
| 1679 | American Chess Nuts | 1868 |
SOLUTION
- SOUND
- Sets
- 1...Bxf4
- 2.Qg4#
- 1...Bh4
- 2.Qg4#
- 1...Bxh6
- 2.Qg4#
- 1...Sb3
- 2.Bd3#
- 2.Bd7#
- 1...Sd3
- 2.Bxd3#
- 2.Bd7#
- 1...Sa4
- 2.Bd3#
- 2.Bd7#
- 1...Se4
- 2.Bd7#
- 1...Sxa6
- 2.Bd3#
- 2.Bd7#
- 1...Se6
- 2.Bd3#
- 2.Qxh7#
- 1...Sb7
- 2.Bd3#
- 2.Bd7#
- 1...Sd7
- 2.Bd3#
- 2.Bxd7#
- 1...Sc3
- 2.fxg5#
- 1...Sb4
- 2.fxg5#
- 1...Sb6
- 2.fxg5#
- 1...Sc7
- 2.fxg5#
- 1...Se7
- 2.fxg5#
- 1...Bxf4
- Tries
- 1.Se4?
- threat
- 2.Sg3#
- 2.Sd6#
- 1...Sxe4
- 2.Bd7#
- 1...Bh4
- 2.Sd6#
- 1...Sb7
- 2.Sg3#
- 1...Kxe4!
- threat
- 1.Bd3+?
- 1...Se4
- 2.Bxe4#
- 1...Sxd3!
- 1...Se4
- 1.Bc4?
- 1...Bxf4
- 2.Qg4#
- 1...Bxh6
- 2.Qg4#
- 1...Sxa6
- 2.Bd3#
- 1...Sxf4
- 2.Qxh7#
- 1...Se3
- 2.Qxh7#
- 1...Bh4
- 2.Qg4#
- 1...Sb3
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 1...Sa4
- 2.Bd3#
- 1...Se6
- 2.Bd3#
- 2.Qxh7#
- 1...Sb7
- 2.Bd3#
- 1...Sd7
- 2.Bd3#
- 1...Sc3
- 2.Qxh7#
- 2.fxg5#
- 1...Sb4
- 2.Qxh7#
- 2.fxg5#
- 1...Sb6
- 2.Qxh7#
- 2.fxg5#
- 1...Sc7
- 2.Qxh7#
- 2.fxg5#
- 1...Se7
- 2.fxg5#
- 1...Se4!
- 1...Bxf4
- 1.Bd7+?
- 1...Se6
- 2.Bxe6#
- 2.Qxh7#
- 1...Sxd7!
- 1...Se6
- 1.Be8?
- threat
- 2.Qxd5#
- 1...Sxf4
- 2.Qd5#
- 1...Sd3
- 2.Bd7#
- 1...Se6
- 2.Qxh7#
- 1...Sd7
- 2.Bxd7#
- 1...Sc3
- 2.fxg5#
- 1...Sb4
- 2.fxg5#
- 1...Sb6
- 2.fxg5#
- 1...Sc7
- 2.fxg5#
- 1...Se7
- 2.fxg5#
- 1...Se3!
- threat
- 1.Rac1?
- 1...Bxf4
- 2.Qg4#
- 1...Bxh6
- 2.Qg4#
- 1...Sxa6
- 2.Bd3#
- 2.Bd7#
- 1...Sxf4
- 2.Rxc5#
- 1...Bh4
- 2.Qg4#
- 1...Sb3
- 2.Bd3#
- 2.Bd7#
- 1...Sd3
- 2.Bxd3#
- 2.Bd7#
- 1...Sa4
- 2.Bd3#
- 2.Bd7#
- 1...Se4
- 2.Bd7#
- 1...Se6
- 2.Bd3#
- 2.Qxh7#
- 1...Sb7
- 2.Bd3#
- 2.Bd7#
- 1...Sd7
- 2.Bd3#
- 2.Bxd7#
- 1...Sc3
- 2.fxg5#
- 1...Sb4
- 2.fxg5#
- 1...Sb6
- 2.fxg5#
- 1...Sc7
- 2.fxg5#
- 1...Se7
- 2.fxg5#
- 1...Se3!
- 1...Bxf4
- 1.Rae1?
- threat
- 2.Qxh7#
- 1...Bxf4
- 2.Qg4#
- 1...Se4
- 2.Bd7#
- 1...Se7
- 2.fxg5#
- 1...Se3!
- threat
- 1.Rf2?
- 1...Bxf4
- 2.Qg4#
- 1...Bxh6
- 2.Qg4#
- 1...Sxa6
- 2.Bd3#
- 2.Bd7#
- 1...Se3
- 2.fxg5#
- 1...Bh4
- 2.Qg4#
- 1...Sb3
- 2.Bd3#
- 2.Bd7#
- 1...Sd3
- 2.Bxd3#
- 2.Bd7#
- 1...Sa4
- 2.Bd3#
- 2.Bd7#
- 1...Se4
- 2.Bd7#
- 1...Se6
- 2.Bd3#
- 2.Qxh7#
- 1...Sb7
- 2.Bd3#
- 2.Bd7#
- 1...Sd7
- 2.Bd3#
- 2.Bxd7#
- 1...Sc3
- 2.fxg5#
- 1...Sb4
- 2.fxg5#
- 1...Sb6
- 2.fxg5#
- 1...Sc7
- 2.fxg5#
- 1...Se7
- 2.fxg5#
- 1...Sxf4!
- 1...Bxf4
- 1.Rf3?
- 1...Bxf4
- 2.Qg4#
- 1...Bxh6
- 2.Qg4#
- 1...Sxa6
- 2.Bd3#
- 2.Bd7#
- 1...Se3
- 2.fxg5#
- 1...Bh4
- 2.Qg4#
- 1...Sb3
- 2.Bd3#
- 2.Bd7#
- 1...Sd3
- 2.Bxd3#
- 2.Bd7#
- 1...Sa4
- 2.Bd3#
- 2.Bd7#
- 1...Se4
- 2.Bd7#
- 1...Se6
- 2.Bd3#
- 2.Qxh7#
- 1...Sb7
- 2.Bd3#
- 2.Bd7#
- 1...Sd7
- 2.Bd3#
- 2.Bxd7#
- 1...Sc3
- 2.fxg5#
- 1...Sb4
- 2.fxg5#
- 1...Sb6
- 2.fxg5#
- 1...Sc7
- 2.fxg5#
- 1...Se7
- 2.fxg5#
- 1...Sxf4!
- 1...Bxf4
- 1.Se4?
- Keys
- 1.Ra5!
- 1...Bxf4
- 2.Qg4#
- 1...Bxh6
- 2.Qg4#
- 1...Sxa6
- 2.Bd3#
- 2.Bd7#
- 1...Sxf4
- 2.Bd3#
- 2.Bd7#
- 1...Se3
- 2.Bd3#
- 2.Bd7#
- 1...Bh4
- 2.Qg4#
- 1...Sb3
- 2.Bd3#
- 2.Bd7#
- 1...Sd3
- 2.Bxd3#
- 2.Bd7#
- 1...Sa4
- 2.Bd3#
- 2.Bd7#
- 1...Se4
- 2.Bd7#
- 1...Se6
- 2.Bd3#
- 2.Qxh7#
- 1...Sb7
- 2.Bd3#
- 2.Bd7#
- 1...Sd7
- 2.Bd3#
- 2.Bxd7#
- 1...Sc3
- 2.Bd7#
- 2.fxg5#
- 1...Sb4
- 2.Bd7#
- 2.fxg5#
- 1...Sb6
- 2.Bd3#
- 2.fxg5#
- 1...Sc7
- 2.Bd3#
- 2.fxg5#
- 1...Se7
- 2.Bd3#
- 2.Bd7#
- 2.fxg5#
- 1...Bxf4
- 1.Ra5!
This is a version of 2120
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- B(d);OGATE,P_SPINB(d),XP(G)::QAB1(K)
- B(d);OGATE::QAB1(K)
- B(d);OGATE,XP(J)::QAB1(K)
- S(a);N_GUARD::B(H)
- S(b);N_GUARD::R(B)+P(G),XB(d)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD,SBLOCK,XS(D)::B(H)
- B(d);::S(D)
- S(a);::S(D)
- Refutation
- K(c);S_FLIGHT,XS(D)
- Try
- B(H);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::B(H),XS(a)
- Refutation
- S(a);XB(H)
- Try
- B(H);
- Vars
- B(d);OGATE,P_SPINB(d),XP(G)::QAB1(K)
- B(d);OGATE,XP(J)::QAB1(K)
- S(a);N_GUARD,XP(I)::B(H)
- S(b);P_SPINS(b),XP(G)::QAB(K),XP(f)
- S(b);::QAB(K),XP(f)
- B(d);OGATE::QAB1(K)
- S(a);N_GUARD::B(H)
- S(a);N_GUARD::B(H),XS(a)
- S(b);N_GUARD::R(B)+P(G),XB(d)
- Refutation
- S(a);
- Try
- B(H);CHECK
- Refutation
- S(a);XB(H)
- Try
- B(H);
- Threat
- QAR2(K),XS(b)
- Vars
- S(b);P_SPINS(b),XP(G)::QAR2(K)
- S(a);N_GUARD::B(H)
- S(a);SBLOCK::QAB(K),XP(f)
- S(a);N_GUARD::B(H),XS(a)
- S(b);N_GUARD::R(B)+P(G),XB(d)
- Refutation
- S(b);
- Try
- R(A);
- Vars
- B(d);OGATE,P_SPINB(d),XP(G)::QAB1(K)
- B(d);OGATE,XP(J)::QAB1(K)
- S(b);OGATEB,P_SPINS(b),XP(G)::R(A),XS(a)
- B(d);OGATE::QAB1(K)
- S(a);N_GUARD::B(H)
- S(b);N_GUARD::R(B)+P(G),XB(d)
- Refutation
- S(b);
- Try
- R(A);
- Threat
- QAB(K),XP(f)
- Vars
- B(d);OGATE,P_SPINB(d),XP(G)::QAB1(K)
- S(a);N_GUARD::B(H)
- S(b);N_GUARD::R(B)+P(G),XB(d)
- Refutation
- S(b);
- Try
- R(B);
- Vars
- B(d);OGATE,P_SPINB(d),XP(G)::QAB1(K)
- B(d);OGATE,XP(J)::QAB1(K)
- S(b);N_GUARD::R(B)+P(G),XB(d)
- B(d);OGATE::QAB1(K)
- S(a);N_GUARD::B(H)
- Refutation
- S(b);P_SPINS(b),XP(G)
- Try
- R(B);
- Vars
- B(d);OGATE,P_SPINB(d),XP(G)::QAB1(K)
- B(d);OGATE,XP(J)::QAB1(K)
- S(b);N_GUARD::R(B)+P(G),XB(d)
- B(d);OGATE::QAB1(K)
- S(a);N_GUARD::B(H)
- Refutation
- S(b);P_SPINS(b),XP(G)
- Try
- Actual
- R(A);
- Vars
- B(d);OGATE,P_SPINB(d),XP(G)::QAB1(K)
- B(d);OGATE,XP(J)::QAB1(K)
- B(d);OGATE::QAB1(K)
- S(a);N_GUARD::B(H)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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