MESON Chess Problem Database
Problem Display
PID: 54652 (8/K2R2B1/4R2r/2n2k2/1Q6/3P1N1N/2B1n3/8 w - - 0 1)
Anonymous
1st Prize Set, 5. American Chess Congress, 1880
#2
9 + 4
| 5689 | The Chess Monthly (Hoffer) | 1880 |
| 4760 | 200 Classic Chess Puzzles | 1993 |
SOLUTION
- SOUND
- Sets
- 1...Kxe6
- 2.Qg4#
- 1...Rxh3
- 2.Rf6#
- 1...Rh4
- 2.Rf6#
- 1...Rh5
- 2.Rf6#
- 1...Rxe6
- 2.Sh4#
- 1...Rf6
- 2.Rxf6#
- 1...Rg6
- 2.Re5#
- 1...Rh7
- 2.Rf6#
- 1...Rh8
- 2.Rf6#
- 1...Sb3
- 2.Qe4#
- 1...Sxd3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Sxe6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sxd7
- 2.Qe4#
- 1...Kxe6
- Tries
- 1.Sh4+?
- 1...Kxe6
- 2.Qg4#
- 1...Rxh4!
- 1...Kxe6
- 1.Bb3?
- 1...Rxh3
- 2.Rf6#
- 2.Rf7#
- 1...Rxe6
- 2.Sh4#
- 1...Sxb3
- 2.Qe4#
- 1...Sxd3
- 2.Qe4#
- 1...Sxe6
- 2.Qe4#
- 1...Sxd7
- 2.Qe4#
- 1...Rf6
- 2.Sh4#
- 2.Rxf6#
- 1...Sf4
- 2.Qxf4#
- 1...Se4
- 2.Qxe4#
- 1...Rh4
- 2.Sxh4#
- 2.Rf6#
- 2.Rf7#
- 1...Rh5
- 2.Rf6#
- 2.Rf7#
- 1...Rg6
- 2.Sh4#
- 2.Re5#
- 1...Rh7
- 2.Rf6#
- 2.Rf7#
- 1...Rh8
- 2.Rf6#
- 2.Rf7#
- 1...Sc1
- 2.Qf4#
- 1...Sg1
- 2.Qf4#
- 1...Sc3
- 2.Qf4#
- 1...Sg3
- 2.Qf4#
- 1...Sa4
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd4!
- 1...Rxh3
- 1.Rxh6?
- threat
- 2.Sh4#
- 2.Rf6#
- 2.Rd5#
- 2.Rf7#
- 1...Sxd7
- 2.Sh4#
- 2.Qe4#
- 1...Sf4
- 2.Qxf4#
- 1...Se4
- 2.Qxe4#
- 1...Sc3
- 2.Sh4#
- 2.Rf6#
- 2.Rf7#
- 2.Qf4#
- 1...Sd4!
- threat
- 1.Rdd6?
- threat
- 2.Re5#
- 1...Rxe6
- 2.Sh4#
- 1...Sxe6
- 2.Qe4#
- 1...Rf6
- 2.Sh4#
- 2.Rxf6#
- 1...Sf4
- 2.Qxf4#
- 1...Se4
- 2.Qxe4#
- 1...Sd7
- 2.Qe4#
- 1...Sd4!
- threat
- 1.Rde7?
- 1...Rxh3
- 2.Rf6#
- 1...Rxe6
- 2.Sh4#
- 1...Sxd3
- 2.Bxd3#
- 2.Qe4#
- 1...Sxe6
- 2.Qe4#
- 1...Rf6
- 2.Sh4#
- 2.Rxf6#
- 1...Sf4
- 2.Qxf4#
- 1...Se4
- 2.Qxe4#
- 1...Rh4
- 2.Sxh4#
- 2.Rf6#
- 1...Rh5
- 2.Rf6#
- 1...Rg6
- 2.Sh4#
- 2.Re5#
- 1...Rh7
- 2.Rf6#
- 1...Rh8
- 2.Rf6#
- 1...Sc1
- 2.Qf4#
- 1...Sg1
- 2.Qf4#
- 1...Sc3
- 2.Qf4#
- 1...Sg3
- 2.Qf4#
- 1...Sb3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sd4!
- 1...Rxh3
- 1.Rf7+?
- 1...Rf6
- 2.Rexf6#
- 2.Rfxf6#
- 1...Kxe6!
- 1...Rf6
- 1.Qxc5+?
- 1...Kxe6
- 2.Re7#
- 2.Qd5#
- 1...Kg4!
- 1...Kxe6
- 1.Qf4+?
- 1...Kxe6
- 2.Qg4#
- 2.Qf7#
- 1...Sxf4!
- 1...Kxe6
- 1.Qh4?
- 1...Kxe6
- 2.Qg4#
- 1...Rxe6
- 2.Qg5#
- 2.Qh5#
- 1...Sxd3
- 2.Qe4#
- 1...Sxe6
- 2.Qe4#
- 2.d4#
- 1...Sxd7
- 2.Qe4#
- 1...Rf6
- 2.Rxf6#
- 1...Rh5
- 2.Rf6#
- 1...Rg6
- 2.Re5#
- 1...Rh7
- 2.Rf6#
- 1...Rh8
- 2.Rf6#
- 1...Sc1
- 2.Sd4#
- 1...Sg1
- 2.Sd4#
- 1...Sc3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...Sb3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Rxh4!
- 1...Kxe6
- 1.Sh4+?
- Keys
- 1.Bd1!
- 1...Kxe6
- 2.Qg4#
- 1...Rxh3
- 2.Rf6#
- 1...Rxe6
- 2.Sh4#
- 1...Sxd3
- 2.Qe4#
- 1...Sxe6
- 2.Qe4#
- 1...Sxd7
- 2.Qe4#
- 1...Rf6
- 2.Rxf6#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...Se4
- 2.Qxe4#
- 1...Rh4
- 2.Rf6#
- 1...Rh5
- 2.Rf6#
- 1...Rg6
- 2.Re5#
- 1...Rh7
- 2.Rf6#
- 1...Rh8
- 2.Rf6#
- 1...Sc1
- 2.Sd4#
- 1...Sg1
- 2.Sd4#
- 1...Sc3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sb3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Kxe6
- 1.Bd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- K(c);S_FLIGHT,XR(F)::QAB(E)
- R(d);N_GUARD,XS(D)::R1(F)
- R(d);N_GUARD::R1(F)
- R(d);N_GUARD,SBLOCK,XR(F)::S(C)
- R(d);N_GUARD::R1(F),XR(d)
- R(d);SBLOCK::R1(F)
- S(b);N_GUARD::QAB1(E)
- S(b);N_GUARD,P_SPINS(b),XP(B)::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- S(b);N_GUARD,XR(F)::QAB1(E)
- S(b);N_GUARD,XR(H)::QAB1(E)
- Tries
- Try
- S(C);CHECK
- Vars
- K(c);S_FLIGHT,XR(F)::QAB(E)
- Refutation
- R(d);XS(C)
- Try
- B(A);
- Vars
- R(d);N_GUARD,XR(F)::S(C)
- S(b);N_GUARD,XB(A)::QAB1(E)
- S(b);N_GUARD,XP(B)::QAB1(E)
- S(b);N_GUARD,XR(F)::QAB1(E)
- S(b);N_GUARD,XR(H)::QAB1(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- S(b);N_GUARD::QAB1(E),XS(b)
- S(a);N_GUARD::QAR1(E)
- S(b);N_GUARD::QAB1(E)
- Refutation
- S(a);
- Try
- R(F);XR(d)
- Threat
- DUALS(4)
- Vars
- S(a);N_GUARD::QAR1(E),XS(a)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- S(a);
- Try
- R(H);
- Threat
- R1(F)
- Vars
- R(d);N_GUARD,XR(F)::S(C)
- S(b);N_GUARD,XR(F)::QAB1(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- S(b);N_GUARD::QAB1(E),XS(b)
- S(b);N_GUARD::QAB1(E)
- Refutation
- S(a);
- Try
- R(H);
- Vars
- R(d);N_GUARD,XS(D)::R1(F)
- R(d);N_GUARD,XR(F)::S(C)
- S(b);N_GUARD,XR(F)::QAB1(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- S(b);N_GUARD::QAB1(E),XS(b)
- R(d);N_GUARD::R1(F)
- S(a);N_GUARD::QAR1(E)
- S(b);N_GUARD::QAB1(E)
- Refutation
- S(a);
- Try
- R(H);CHECK
- Refutation
- K(c);S_FLIGHT,XR(F)
- Try
- Q(E);CHECK,XS(b)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(E);CHECK
- Refutation
- S(a);XQ(E)
- Try
- Q(E);
- Vars
- K(c);S_FLIGHT,XR(F)::QAB(E)
- S(b);N_GUARD,P_SPINS(b),XP(B)::QAB1(E)
- S(b);N_GUARD,XR(H)::QAB1(E)
- R(d);N_GUARD::R1(F),XR(d)
- R(d);N_GUARD::R1(F)
- R(d);SBLOCK::R1(F)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(b);N_GUARD::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- R(d);XQ(E)
- Try
- Actual
- B(A);
- Vars
- K(c);S_FLIGHT,XR(F)::QAB(E)
- R(d);N_GUARD,XS(D)::R1(F)
- R(d);N_GUARD,SBLOCK,XR(F)::S(C)
- S(b);N_GUARD,XP(B)::QAB1(E)
- S(b);N_GUARD,XR(F)::QAB1(E)
- S(b);N_GUARD,XR(H)::QAB1(E)
- R(d);N_GUARD::R1(F),XR(d)
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(b);N_GUARD::QAB1(E),XS(b)
- R(d);N_GUARD::R1(F)
- R(d);SBLOCK::R1(F)
- S(b);N_GUARD::QAB1(E)
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