MESON Chess Problem Database
Problem Display
PID: 222648 (5B2/2n1P3/1N6/5pp1/3p1kpN/3PR2b/Q7/2K4n w - - 0 1)
Crusemann, Richard
English Mechanic and World of Science, 1884
(First published on Fri Jan 18 1884)
#2
8 + 8
| 6490 | yacpdb | 2020 |
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kxe3
- 2.Qd2#
- 1...Bg2
- 2.Sxg2#
- 1...Sf2
- 2.Qxf2#
- 1...Sg3
- 2.Qf2#
- 1...Sb5
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sa6
- 2.Sd5#
- 1...Se6
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 1...Se8
- 2.Sd5#
- 1...gxh4
- 2.Bh6#
- 1...Kxe3
- Tries
- 1.Qd5?
- threat
- 2.Qxd4#
- 2.Qe5#
- 1...Sxd5
- 2.Sxd5#
- 1...dxe3
- 2.Qd6#
- 1...gxh4
- 2.Bh6#
- 1...g3
- 2.Qf3#
- 2.Qxd4#
- 1...Bg2
- 2.Sxg2#
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sg3
- 2.Qe5#
- 1...Sb5
- 2.Qe5#
- 1...Se6
- 2.Qe5#
- 1...Kxe3!
- threat
- 1.Qe6?
- threat
- 2.Sg6#
- 2.Qe5#
- 1...Sxe6
- 2.Sd5#
- 1...dxe3
- 2.Qd6#
- 1...gxh4
- 2.Bh6#
- 2.Qh6#
- 1...g3!
- threat
- 1.Qb2?
- threat
- 2.Qxd4#
- 1...Kxe3
- 2.Qd2#
- 1...gxh4
- 2.Bh6#
- 1...Bg2
- 2.Sxg2#
- 1...Sf2
- 2.Qxf2#
- 1...Sg3
- 2.Qf2#
- 1...Sb5
- 2.Sd5#
- 1...Se6
- 2.Sd5#
- 1...dxe3!
- threat
- 1.Qd2?
- threat
- 2.Sg6#
- 1...gxh4
- 2.Bh6#
- 1...g3
- 2.Re4#
- 1...dxe3!
- threat
- 1.Qe2?
- threat
- 2.Sg6#
- 1...gxh4
- 2.Bh6#
- 1...dxe3!
- threat
- 1.Qh2+?
- 1...Kxe3
- 2.Qd2#
- 1...Sg3
- 2.Qxg3#
- 2.Qf2#
- 1...g3!
- 1...Kxe3
- 1.e8Q?
- threat
- 2.Sg6#
- 2.Bd6#
- 2.Qe5#
- 1...Sxe8
- 2.Sd5#
- 1...dxe3
- 2.Bd6#
- 1...gxh4
- 2.Bh6#
- 1...Se6
- 2.Sd5#
- 1...Sb5
- 2.Sg6#
- 2.Sd5#
- 2.Qe5#
- 1...g3!
- threat
- 1.e8R?
- threat
- 2.Sg6#
- 2.Bd6#
- 1...Sxe8
- 2.Sd5#
- 1...dxe3
- 2.Bd6#
- 1...gxh4
- 2.Bh6#
- 1...Se6
- 2.Sd5#
- 1...Sb5
- 2.Sg6#
- 2.Sd5#
- 1...g3!
- threat
- 1.Qd5?
- Keys
- 1.Qg2!
- 1...Kxe3
- 2.Qd2#
- 1...Bxg2
- 2.Sxg2#
- 1...dxe3
- 2.Sg6#
- 1...gxh4
- 2.Bh6#
- 1...g3
- 2.Qf3#
- 1...Sf2
- 2.Qxf2#
- 2.Qg3#
- 1...Sg3
- 2.Qf2#
- 2.Qxg3#
- 1...Sb5
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sa6
- 2.Sd5#
- 1...Se6
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 1...Se8
- 2.Sd5#
- 1...Kxe3
- 1.Qg2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- K(d);OGATEB,S_FLIGHT,XR(D)::QAB1(B)
- B(b);N_GUARD::S(E),XB(b)
- S(a);N_GUARD::QAR2(B),XS(a)
- S(a);N_GUARD::QAR2(B)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(g);OGATEB,XS(E)::B(H)
- Tries
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(h);XQ(B)::S(F),XS(h)
- P(c);SBLOCK,XR(D)::QAB(B)
- P(g);OGATEB,XS(E)::B(H)
- S(a);::QAB1(B)
- S(h);::QAB1(B)
- Refutation
- K(d);S_FLIGHT,XR(D)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(h);N_GUARD,XQ(B)::S(F)
- P(c);SBLOCK,XR(D)::QAB(B)
- Refutation
- P(e);
- Try
- Q(B);
- Threat
- QAR2(B),XP(c)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(D)::QAB1(B)
- P(g);OGATEB,XS(E)::B(H)
- B(b);N_GUARD::S(E),XB(b)
- S(a);N_GUARD::QAR2(B),XS(a)
- S(a);N_GUARD::QAR2(B)
- S(h);N_GUARD::S(F)
- Refutation
- P(c);XR(D)
- Try
- Q(B);
- Threat
- S(E)
- Vars
- P(g);OGATEB,XS(E)::B(H)
- P(e);SBLOCK::QAB(B)+R(D),DCHECK
- Refutation
- P(c);P_SPINP(c),XR(D)
- Try
- Q(B);
- Threat
- S(E)
- Vars
- P(g);OGATEB,XS(E)::B(H)
- Refutation
- P(c);XR(D)
- Try
- Q(B);CHECK
- Vars
- K(d);OGATEB,S_FLIGHT,XR(D)::QAB1(B)
- Refutation
- P(e);P_SPINP(e)
- Try
- P(G);
- Threat
- DUALS(3)
- Vars
- S(h);N_GUARD,XQ(G)::S(F)
- P(c);XR(D)::B(H)
- P(g);OGATEB,XS(E)::B(H)
- S(h);N_GUARD::S(F)
- Refutation
- P(e);
- Try
- P(G);
- Threat
- DUALS(2)
- Vars
- S(h);N_GUARD,XR(G)::S(F)
- P(c);XR(D)::B(H)
- P(g);OGATEB,XS(E)::B(H)
- S(h);N_GUARD::S(F)
- Refutation
- P(e);
- Try
- Actual
- Q(B);
- Vars
- K(d);OGATEB,S_FLIGHT,XR(D)::QAB1(B)
- B(b);XQ(B)::S(E),XB(b)
- P(c);SBLOCK,XR(D)::S(E)
- P(g);OGATEB,XS(E)::B(H)
- P(e);N_GUARD::QAR1(B)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
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