MESON Chess Problem Database
Problem Display
PID: 258185 (2R5/1B6/3p1p2/PpnP1K2/RBPkpNQ1/8/4P3/N7 w - - 0 1)
Anonymous
English Mechanic and World of Science, 1890
(First published on Fri Jun 13 1890)
#2
12 + 6
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ke3
- 2.Qg1#
- 1...Sb3
- 2.Sc2#
- 1...Sd3
- 2.Sc2#
- 1...Sxa4
- 2.Sc2#
- 1...Sa6
- 2.Sc2#
- 1...Se6
- 2.Sc2#
- 1...Sxb7
- 2.Sc2#
- 1...Sd7
- 2.Sc2#
- 1...e3
- 2.Se6#
- 1...bxc4
- 2.Sc2#
- 1...Ke3
- Tries
- 1.Sg2?
- 1...Kxc4
- 2.Qxe4#
- 1...Sxa4
- 2.Sc2#
- 2.Sb3#
- 2.Qxe4#
- 1...Sxb7
- 2.Sc2#
- 2.Sb3#
- 2.Qxe4#
- 1...bxc4
- 2.Sc2#
- 1...Sb3
- 2.Sc2#
- 2.Sxb3#
- 2.Qxe4#
- 1...Sd3
- 2.Sc2#
- 2.Sb3#
- 2.Qxe4#
- 2.e3#
- 1...Sa6
- 2.Sc2#
- 2.Sb3#
- 2.Qxe4#
- 1...Se6
- 2.Sc2#
- 2.Sb3#
- 2.Qxe4#
- 1...Sd7
- 2.Sc2#
- 2.Sb3#
- 2.Qxe4#
- 1...bxa4!
- 1...Kxc4
- 1.Sd3?
- 1...Ke3
- 2.Sc2#
- 1...Kxc4
- 2.Qxe4#
- 1...Sxd3
- 2.Sc2#
- 2.Qxe4#
- 1...Sxa4
- 2.Sc2#
- 2.Qxe4#
- 1...Sxb7
- 2.Sc2#
- 2.Qxe4#
- 1...bxc4
- 2.Sc2#
- 1...Sb3
- 2.Sc2#
- 2.Qxe4#
- 1...Sa6
- 2.Sc2#
- 2.Qxe4#
- 1...Se6
- 2.Sc2#
- 2.Qxe4#
- 1...Sd7
- 2.Sc2#
- 2.Qxe4#
- 1...bxa4!
- 1...Ke3
- 1.Sh3?
- 1...Ke3
- 2.Sc2#
- 1...Kxc4
- 2.Qxe4#
- 1...Sxa4
- 2.Sc2#
- 2.Qxe4#
- 1...Sxb7
- 2.Sc2#
- 2.Qxe4#
- 1...bxc4
- 2.Sc2#
- 1...Sb3
- 2.Sc2#
- 2.Qxe4#
- 1...Sd3
- 2.Sc2#
- 2.Qxe4#
- 1...Sa6
- 2.Sc2#
- 2.Qxe4#
- 1...Se6
- 2.Sc2#
- 2.Qxe4#
- 1...Sd7
- 2.Sc2#
- 2.Qxe4#
- 1...bxa4!
- 1...Ke3
- 1.Se6+?
- 1...Kxc4
- 2.Qxe4#
- 1...Sxe6
- 2.Sc2#
- 2.Qxe4#
- 1...Ke3!
- 1...Kxc4
- 1.Bc3+?
- 1...Ke3
- 2.Qg1#
- 2.Qg3#
- 1...Kxc3!
- 1...Ke3
- 1.Ra2?
- 1...Ke3
- 2.Qg1#
- 1...Sxb7
- 2.Sc2#
- 1...bxc4
- 2.Sc2#
- 1...Sb3
- 2.Sc2#
- 1...Sd3
- 2.Sc2#
- 1...Sa4
- 2.Sc2#
- 1...Sa6
- 2.Sc2#
- 1...Se6
- 2.Sc2#
- 1...Sd7
- 2.Sc2#
- 1...e3
- 2.Se6#
- 1...Kxc4!
- 1...Ke3
- 1.Ra3?
- 1...Sxb7
- 2.Sc2#
- 2.Se6#
- 2.e3#
- 1...bxc4
- 2.Sc2#
- 2.e3#
- 1...Sb3
- 2.Sc2#
- 1...Sd3
- 2.Sc2#
- 1...Sa4
- 2.Sc2#
- 2.Se6#
- 2.e3#
- 1...Sa6
- 2.Sc2#
- 2.Se6#
- 2.e3#
- 1...Se6
- 2.Sc2#
- 2.Sxe6#
- 2.e3#
- 1...Sd7
- 2.Sc2#
- 2.Se6#
- 2.e3#
- 1...e3
- 2.Se6#
- 1...Kxc4!
- 1...Sxb7
- 1.Rxc5?
- threat
- 2.Sc2#
- 1...Ke3
- 2.Qg1#
- 1...dxc5!
- threat
- 1.Qh3?
- threat
- 2.Bc3#
- 2.Qc3#
- 1...Kxc4
- 2.Qc3#
- 1...Sxa4
- 2.Sc2#
- 2.Sb3#
- 2.Se6#
- 2.e3#
- 1...bxa4
- 2.Qc3#
- 1...Sd3
- 2.Sc2#
- 2.Sb3#
- 2.Se6#
- 2.e3#
- 1...e3!
- threat
- 1.Qg3?
- threat
- 2.Bc3#
- 2.Qc3#
- 1...Kxc4
- 2.Qc3#
- 1...Sxa4
- 2.Sc2#
- 2.Sb3#
- 2.Se6#
- 2.e3#
- 1...bxa4
- 2.Qc3#
- 1...Sd3
- 2.Sc2#
- 2.Sb3#
- 2.Se6#
- 2.e3#
- 1...e3!
- threat
- 1.e3+?
- 1...Kxc4
- 2.Qe2#
- 1...Kxe3!
- 1...Kxc4
- 1.cxb5?
- 1...Ke3
- 2.Qg1#
- 1...Sxa4
- 2.Sc2#
- 1...Sxb7
- 2.Sc2#
- 2.Bd2#
- 1...e3
- 2.Se6#
- 1...Sb3
- 2.Sc2#
- 2.Bd2#
- 1...Sd3
- 2.Sc2#
- 1...Sa6
- 2.Sc2#
- 1...Se6
- 2.Sc2#
- 2.Bd2#
- 1...Sd7
- 2.Sc2#
- 2.Bd2#
- 1...Kc4!
- 1...Ke3
- 1.Sg2?
- Keys
- 1.Ba6!
- 1...Ke3
- 2.Qg1#
- 1...Kxc4
- 2.Be1#
- 2.Bd2#
- 1...Sxa4
- 2.Sc2#
- 1...Sxa6
- 2.Sc2#
- 1...bxa4
- 2.Sc2#
- 1...bxc4
- 2.Sc2#
- 1...Sb3
- 2.Sc2#
- 1...Sd3
- 2.Sc2#
- 1...Se6
- 2.Sc2#
- 1...Sb7
- 2.Sc2#
- 1...Sd7
- 2.Sc2#
- 1...e3
- 2.Se6#
- 1...Ke3
- 1.Ba6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(a);N_GUARD,S_CUTP(b),S_FLIGHT::QAB(G)
- S(d);::S(A)
- S(d);XR(C)::S(A)
- S(d);XB(K)::S(A)
- P(b);SBLOCK::QAR(G)+S(F),DCHECK
- P(c);SBLOCK,XP(E)::S(A)
- Tries
- Try
- S(F);P_PINP(b)
- Vars
- K(a);P-FLIGHT,P_SPINS(d),XP(E)::QAR2(G),XP(b)
- P(c);SBLOCK,XP(E)::S(A)
- Refutation
- P(c);XR(C)
- Try
- S(F);P_PINP(b)
- Vars
- K(a);N_GUARD,N_SPINP(b),S_FLIGHT::S(A)
- K(a);P-FLIGHT,P_SPINS(d),XP(E)::QAR2(G),XP(b)
- P(c);SBLOCK,XP(E)::S(A)
- Refutation
- P(c);XR(C)
- Try
- S(F);P_PINP(b)
- Vars
- K(a);N_GUARD,N_SPINP(b),S_FLIGHT::S(A)
- K(a);P-FLIGHT,P_SPINS(d),XP(E)::QAR2(G),XP(b)
- P(c);SBLOCK,XP(E)::S(A)
- Refutation
- P(c);XR(C)
- Try
- S(F);CHECK,P_PINP(b)
- Vars
- K(a);P-FLIGHT,P_SPINS(d),XP(E)::QAR2(G),XP(b)
- Refutation
- K(a);N_SPINP(b),S_FLIGHT
- Try
- B(D);CHECK
- Refutation
- K(a);S_FLIGHT,XB(D)
- Try
- R(C);
- Vars
- K(a);N_GUARD,S_CUTP(b),S_FLIGHT::QAB(G)
- S(d);XB(K)::S(A)
- P(c);SBLOCK,XP(E)::S(A)
- S(d);::S(A)
- P(b);SBLOCK::QAR(G)+S(F),DCHECK
- Refutation
- K(a);P-FLIGHT,P_SPINS(d),XP(E)
- Try
- R(C);
- Vars
- S(d);::S(A)
- P(b);::QAR(G)+S(F),DCHECK
- Refutation
- K(a);P-FLIGHT,P_SPINS(d),XP(E)
- Try
- R(L);XS(d)
- Threat
- S(A)
- Vars
- K(a);S_CUTP(b),S_FLIGHT::QAB(G)
- Refutation
- P(e);XR(L)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- K(a);P-FLIGHT,P_SPINS(d),XP(E)::QAR1(G)
- P(c);XR(C)::QAB1(G)
- Refutation
- P(b);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- K(a);P-FLIGHT,P_SPINS(d),XP(E)::QAR1(G)
- P(c);XR(C)::QAB1(G)
- Refutation
- P(b);
- Try
- P(B);CHECK
- Vars
- K(a);P-FLIGHT,P_SPINS(d),XP(E)::QAB(G)
- Refutation
- K(a);S_FLIGHT,XP(B)
- Try
- P(E);XP(c)
- Vars
- K(a);N_GUARD,S_CUTP(b),S_FLIGHT::QAB(G)
- S(d);XR(C)::S(A)
- P(b);SBLOCK::QAR(G)+S(F),DCHECK
- S(d);::S(A)
- Refutation
- K(a);P-FLIGHT,P_SPINS(d)
- Try
- Actual
- B(K);
- Vars
- K(a);N_GUARD,S_CUTP(b),S_FLIGHT::QAB(G)
- S(d);XR(C)::S(A)
- S(d);XB(K)::S(A)
- P(c);XR(C)::S(A)
- P(c);XP(E)::S(A)
- S(d);::S(A)
- P(b);SBLOCK::QAR(G)+S(F),DCHECK
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