MESON Chess Problem Database
Problem Display
PID: 224647 (3nK3/8/3RpR1p/2p1k2p/7P/5B2/7P/6Q1 w - - 0 1)
Decker, Adolfph L
Deutsche Schachzeitung, 1887
#2
7 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kxd6
- 2.Qg3#
- 1...Sc6
- 2.Rdxe6#
- 1...Sb7
- 2.Rdxe6#
- 1...Sf7
- 2.Rdxe6#
- 1...c4
- 2.Qd4#
- 1...Kxd6
- Tries
- 1.Kd7?
- threat
- 2.Qa1#
- 1...Sc6
- 2.Rdxe6#
- 1...c4
- 2.Qd4#
- 1...Kxf6!
- threat
- 1.Ke7?
- threat
- 2.Qe3#
- 2.Qxc5#
- 2.Qa1#
- 2.Qe1#
- 2.Qg3#
- 1...Sb7
- 2.Rdxe6#
- 2.Qe3#
- 2.Qa1#
- 2.Qe1#
- 2.Qg3#
- 1...c4
- 2.Qe3#
- 2.Qd4#
- 2.Qc5#
- 2.Qe1#
- 2.Qg3#
- 1...Sc6+!
- threat
- 1.Kxd8?
- threat
- 2.Rdxe6#
- 1...Kxd6
- 2.Qg3#
- 1...Kxf6!
- threat
- 1.Bh1?
- 1...Kxd6
- 2.Qg3#
- 1...Sc6
- 2.Rdxe6#
- 1...Sb7
- 2.Rdxe6#
- 1...Sf7
- 2.Rdxe6#
- 1...c4
- 2.Qd4#
- 1...Kxf6!
- 1...Kxd6
- 1.Rxd8?
- threat
- 2.Qa1#
- 1...c4
- 2.Qd4#
- 1...Kxf6!
- threat
- 1.Qf2?
- 1...Kxd6
- 2.Qg3#
- 1...Sc6
- 2.Rdxe6#
- 1...Sb7
- 2.Rdxe6#
- 1...Sf7
- 2.Rdxe6#
- 1...c4
- 2.Qd4#
- 1...Kxf6!
- 1...Kxd6
- 1.Qe3+?
- 1...Kxd6
- 2.Qf4#
- 1...Kxf6!
- 1...Kxd6
- 1.Qc1?
- threat
- 2.Qf4#
- 1...Kxd6
- 2.Qf4#
- 1...Kxf6!
- threat
- 1.Qd1?
- 1...Sc6
- 2.Rdxe6#
- 1...Sb7
- 2.Rdxe6#
- 1...Sf7
- 2.Rdxe6#
- 1...c4
- 2.Qd4#
- 1...Kxf6!
- 1...Sc6
- 1.Qe1+?
- 1...Kxd6
- 2.Qg3#
- 1...Kxf6!
- 1...Kxd6
- 1.Qg5+?
- 1...Kxd6
- 2.Qf4#
- 2.Qg3#
- 1...hxg5!
- 1...Kxd6
- 1.h3?
- 1...Kxd6
- 2.Qh2#
- 2.Qg3#
- 1...Sc6
- 2.Rdxe6#
- 1...Sb7
- 2.Rdxe6#
- 1...Sf7
- 2.Rdxe6#
- 1...c4
- 2.Qd4#
- 1...Kxf6!
- 1...Kxd6
- 1.Kd7?
- Keys
- 1.Be4!
- 1...Kxe4
- 2.Qe1#
- 1...Kxd6
- 2.Qg3#
- 1...Kxf6
- 2.Qa1#
- 1...Sc6
- 2.Rdxe6#
- 1...Sb7
- 2.Rdxe6#
- 1...Sf7
- 2.Rdxe6#
- 1...c4
- 2.Qd4#
- 1...Kxe4
- 1.Be4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(b);P_SPINP(d),S_FLIGHT,XR(E)::QAB(A)
- S(f);N_GUARD::R1(E),XP(d)
- P(a);N_GUARD::QAB1(A)
- Tries
- Try
- K(G);S_FLIGHT
- Threat
- QAB(A)
- Vars
- S(f);N_GUARD::R1(E),XP(d)
- P(a);N_GUARD::QAB1(A)
- Refutation
- K(b);P_SPINP(d),S_FLIGHT,XR(F)
- Try
- K(G);P-FLIGHT
- Threat
- DUALS(5)
- Refutation
- S(f);CHECK
- Try
- K(G);P-FLIGHT,XS(f)
- Threat
- R1(E),XP(d)
- Vars
- K(b);P_SPINP(d),S_FLIGHT,XR(E)::QAB(A)
- Refutation
- K(b);P_SPINP(d),S_FLIGHT,XR(F)
- Try
- B(C);
- Vars
- K(b);P_SPINP(d),S_FLIGHT,XR(E)::QAB(A)
- S(f);N_GUARD::R1(E),XP(d)
- P(a);N_GUARD::QAB1(A)
- Refutation
- K(b);P_SPINP(d),S_FLIGHT,XR(F)
- Try
- R(E);XS(f)
- Threat
- QAB(A)
- Vars
- P(a);N_GUARD::QAB1(A)
- Refutation
- K(b);S_FLIGHT,XR(F)
- Try
- Q(A);
- Vars
- K(b);P_SPINP(d),S_FLIGHT,XR(E)::QAB(A)
- S(f);N_GUARD::R1(E),XP(d)
- P(a);N_GUARD::QAB1(A)
- Refutation
- K(b);P_SPINP(d),S_FLIGHT,XR(F)
- Try
- Q(A);CHECK
- Vars
- K(b);P_SPINP(d),S_FLIGHT,XR(E)::QAB(A)
- Refutation
- K(b);P_SPINP(d),S_FLIGHT,XR(F)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- K(b);P_SPINP(d),S_FLIGHT,XR(E)::QAB(A)
- Refutation
- K(b);P_SPINP(d),S_FLIGHT,XR(F)
- Try
- Q(A);
- Vars
- S(f);N_GUARD::R1(E),XP(d)
- P(a);N_GUARD::QAB1(A)
- Refutation
- K(b);P_SPINP(d),S_FLIGHT,XR(F)
- Try
- Q(A);CHECK
- Vars
- K(b);P_SPINP(d),S_FLIGHT,XR(E)::QAB(A)
- Refutation
- K(b);P_SPINP(d),S_FLIGHT,XR(F)
- Try
- Q(A);CHECK
- Refutation
- P(e);XQ(A)
- Try
- P(B);
- Vars
- S(f);N_GUARD::R1(E),XP(d)
- P(a);N_GUARD::QAB1(A)
- Refutation
- K(b);P_SPINP(d),S_FLIGHT,XR(F)
- Try
- Actual
- B(C);
- Vars
- K(b);OGATEB,P-FLIGHT,XB(C)::QAR(A)
- K(b);P_SPINP(d),S_FLIGHT,XR(E)::QAB(A)
- K(b);P_SPINP(d),S_FLIGHT,XR(F)::QAB(A)
- S(f);N_GUARD::R1(E),XP(d)
- P(a);N_GUARD::QAB1(A)
Developed and maintained by Brian Stephenson.
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