MESON Chess Problem Database
Problem Display
PID: 258255 (8/2p5/2K3p1/5kn1/3PR2B/8/4NPP1/1Q6 w - - 0 1)
Anonymous
English Mechanic and World of Science, 1890
(First published on Thu Sep 25 1890)
#2
8 + 4
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sf3
- 2.Sg3#
- 2.g4#
- 1...Sh3
- 2.Sg3#
- 2.g4#
- 1...Se6
- 2.Sg3#
- 2.Rf4#
- 2.g4#
- 1...Sf7
- 2.Sg3#
- 2.g4#
- 1...Sh7
- 2.Sg3#
- 2.g4#
- 1...Sf3
- Tries
- 1.Sc3?
- 1...Sxe4
- 2.Qxe4#
- 1...Sf3
- 2.g4#
- 1...Sh3
- 2.Qb5#
- 2.g4#
- 1...Se6
- 2.g4#
- 1...Sf7
- 2.g4#
- 1...Sh7
- 2.Qb5#
- 2.g4#
- 1...Kf6!
- 1...Sxe4
- 1.Qd3?
- 1...Sxe4
- 2.Qh3#
- 1...Sf3
- 2.Sg3#
- 2.Qxf3#
- 2.g4#
- 1...Sh3
- 2.Sg3#
- 2.g4#
- 1...Se6
- 2.Sg3#
- 2.Rf4#
- 2.g4#
- 1...Sf7
- 2.Sg3#
- 2.Qf3#
- 2.g4#
- 1...Sh7
- 2.Sg3#
- 2.Qf3#
- 2.g4#
- 1...Kf6!
- 1...Sxe4
- 1.Qh1?
- 1...Kxe4
- 2.Qb1#
- 1...Sxe4
- 2.Qh3#
- 1...Sf3
- 2.Sg3#
- 1...Sh3
- 2.Sg3#
- 2.g4#
- 1...Se6
- 2.Sg3#
- 2.g4#
- 1...Sf7
- 2.Sg3#
- 2.g4#
- 1...Sh7
- 2.Sg3#
- 2.g4#
- 1...Kf6!
- 1...Kxe4
- 1.Qb3?
- threat
- 2.Rf4#
- 1...Kxe4
- 2.Qc2#
- 2.Qb1#
- 1...Sxe4
- 2.Qh3#
- 1...Sh3
- 2.Sg3#
- 2.Qd5#
- 2.Qe6#
- 1...Se6
- 2.Sg3#
- 2.Qd5#
- 2.Qxe6#
- 1...Kf6!
- threat
- 1.Qb4?
- 1...Kxe4
- 2.Qb1#
- 1...Kf6
- 2.Qf8#
- 1...Sf3
- 2.Sg3#
- 1...Sh3
- 2.Sg3#
- 1...Se6
- 2.Sg3#
- 1...Sf7
- 2.Sg3#
- 1...Sh7
- 2.Sg3#
- 1...Sxe4!
- 1...Kxe4
- 1.Qb5+?
- 1...Kxe4
- 2.Qb1#
- 1...Kf6!
- 1...Kxe4
- 1.Qb7?
- 1...Kxe4
- 2.Qb1#
- 1...Sxe4
- 2.Qc8#
- 1...Sf3
- 2.Sg3#
- 1...Sh3
- 2.Sg3#
- 1...Se6
- 2.Sg3#
- 1...Sf7
- 2.Sg3#
- 1...Sh7
- 2.Sg3#
- 1...Kf6!
- 1...Kxe4
- 1.f3?
- 1...Sxf3
- 2.Sg3#
- 2.g4#
- 1...Sxe4
- 2.Qxe4#
- 1...Sh3
- 2.Sg3#
- 2.Re3#
- 2.Re5#
- 2.Re7#
- 2.Re8#
- 2.Qb5#
- 2.g4#
- 1...Se6
- 2.Sg3#
- 2.Re3#
- 2.Rf4#
- 2.Rg4#
- 2.Re5#
- 2.g4#
- 1...Sf7
- 2.Sg3#
- 2.Re3#
- 2.Re5#
- 2.Re7#
- 2.Re8#
- 2.g4#
- 1...Sh7
- 2.Sg3#
- 2.Re3#
- 2.Re5#
- 2.Re7#
- 2.Re8#
- 2.Qb5#
- 2.g4#
- 1...Kf6!
- 1...Sxf3
- 1.Sc3?
- Keys
- 1.Qb8!
- 1...Kxe4
- 2.Qb1#
- 1...Kf6
- 2.Qf8#
- 1...Sxe4
- 2.Qc8#
- 1...Sf3
- 2.Sg3#
- 1...Sh3
- 2.Sg3#
- 1...Se6
- 2.Sg3#
- 1...Sf7
- 2.Sg3#
- 1...Sh7
- 2.Sg3#
- 1...Kxe4
- 1.Qb8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(B);
- Vars
- S(b);OGATE,P_SPINS(b),XR(F)::QAB1(A),XS(b)
- S(b);::P(D)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- Q(A);
- Vars
- S(b);N_GUARD,P_SPINS(b),SBLOCK,XR(F)::QAB(A)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- Q(A);
- Vars
- K(a);OGATEB,S_FLIGHT,XR(F)::QAB(A)
- S(b);N_GUARD,SBLOCK,XR(F)::QAB(A)
- S(b);::S(B)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- Q(A);
- Threat
- R1(F)
- Vars
- S(b);N_GUARD,SBLOCK,XR(F)::QAB(A)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- Q(A);
- Vars
- K(a);OGATEB,S_FLIGHT,XR(F)::QAB(A)
- K(a);N_GUARD,P-FLIGHT,P_SPINS(b)::QAR2(A)
- S(b);::S(B)
- Refutation
- S(b);XR(F)
- Try
- Q(A);CHECK
- Vars
- K(a);OGATEB,S_FLIGHT,XR(F)::QAB(A)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- Q(A);
- Vars
- K(a);OGATEB,S_FLIGHT,XR(F)::QAB(A)
- S(b);N_GUARD,SBLOCK,XR(F)::QAB(A)
- S(b);::S(B)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- P(C);
- Vars
- S(b);OGATE,P_SPINS(b),XR(F)::QAB1(A),XS(b)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- Actual
- Q(A);
- Vars
- K(a);OGATEB,S_FLIGHT,XR(F)::QAB(A)
- K(a);N_GUARD,P-FLIGHT,P_SPINS(b)::QAR2(A)
- S(b);N_GUARD,SBLOCK,XR(F)::QAB(A)
- S(b);::S(B)
Developed and maintained by Brian Stephenson.
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