MESON Chess Problem Database
Problem Display
PID: 175803 (1B6/8/1pP2pNp/1N1k1nbR/3P1rp1/5p2/8/KBR3Q1 w - - 0 1)
Allen, JJ
San Francisco Chronicle, 1898
#2
10 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ke6
- 2.Ba2#
- 1...Re4
- 2.Ba2#
- 1...Bh4
- 2.Sxf4#
- 1...Se3
- 2.Sxf4#
- 1...Sg3
- 2.Sxf4#
- 1...Sxd4
- 2.Sxf4#
- 1...Sh4
- 2.Sxf4#
- 1...Sd6
- 2.Sc7#
- 2.Sxf4#
- 1...Se7
- 2.Sxf4#
- 1...Sg7
- 2.Sxf4#
- 1...Ke6
- Tries
- 1.Be5?
- threat
- 2.Sc7#
- 1...Ke6
- 2.Ba2#
- 1...fxe5!
- threat
- 1.Rc5+?
- 1...Ke6
- 2.Ba2#
- 1...bxc5!
- 1...Ke6
- 1.Qf2?
- threat
- 2.Qa2#
- 1...Ke6
- 2.Ba2#
- 2.Qa2#
- 1...Sxd4
- 2.Sxf4#
- 1...Se3
- 2.Sxf4#
- 1...Sd6
- 2.Sc7#
- 2.Sxf4#
- 1...Rxd4!
- threat
- 1.Qh2?
- threat
- 2.Qa2#
- 1...Ke6
- 2.Ba2#
- 2.Qa2#
- 1...Rxd4
- 2.Sc7#
- 1...Sxd4
- 2.Sxf4#
- 1...Se3
- 2.Sxf4#
- 1...Sd6
- 2.Sxf4#
- 1...f2!
- threat
- 1.Qe3?
- threat
- 2.Ba2#
- 2.Qb3#
- 1...Sxe3
- 2.Sxf4#
- 1...Sxd4
- 2.Sxf4#
- 2.Se7#
- 1...Sd6
- 2.Sc7#
- 2.Sxf4#
- 2.Se7#
- 1...Rxd4!
- threat
- 1.Qd1?
- threat
- 2.Qb3#
- 1...Ke6
- 2.Ba2#
- 2.Qb3#
- 1...Sxd4
- 2.Sxf4#
- 1...Se3
- 2.Sxf4#
- 1...Sd6
- 2.Sc7#
- 2.Sxf4#
- 1...Rxd4!
- threat
- 1.Qe1?
- threat
- 2.Ba2#
- 1...Sxd4
- 2.Sxf4#
- 2.Se7#
- 1...Se3
- 2.Sxf4#
- 1...Sd6
- 2.Sxf4#
- 2.Se7#
- 1...Rxd4!
- threat
- 1.Qf1?
- threat
- 2.Qc4#
- 1...Ke6
- 2.Ba2#
- 2.Qc4#
- 1...Se3
- 2.Sxf4#
- 1...Sd6
- 2.Sxf4#
- 1...Rxd4!
- threat
- 1.Be5?
- Keys
- 1.Qg3!
- 1...Ke6
- 2.Ba2#
- 1...Rxd4
- 2.Sc7#
- 1...Sxg3
- 2.Sxf4#
- 1...Sxd4
- 2.Sxf4#
- 1...f2
- 2.Qb3#
- 1...Re4
- 2.Ba2#
- 1...Bh4
- 2.Sxf4#
- 1...Se3
- 2.Sxf4#
- 1...Sh4
- 2.Sxf4#
- 1...Sd6
- 2.Sxf4#
- 1...Se7
- 2.Sxf4#
- 1...Sg7
- 2.Sxf4#
- 1...Ke6
- 1.Qg3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(d);S_FLIGHT::B(B)
- R(b);SBLOCK::B(B)
- B(f);N_GUARD,P_SPINS(e)::S(I),XR(b)
- S(e);P_SPINB(f)::S(I),XR(b)
- S(e);P_SPINB(f),XP(E)::S(I),XR(b)
- Tries
- Try
- B(J);
- Threat
- S(F)
- Vars
- K(d);S_FLIGHT::B(B)
- Refutation
- P(h);XB(J)
- Try
- R(C);CHECK
- Vars
- K(d);S_FLIGHT::B(B)
- Refutation
- P(g);XR(C)
- Try
- Q(D);
- Threat
- QAB(D)
- Vars
- S(e);P_SPINB(f),XP(E)::S(I),XR(b)
- S(e);P_SPINB(f)::S(I),XR(b)
- Refutation
- R(b);XP(E)
- Try
- Q(D);
- Threat
- QAB(D)
- Vars
- R(b);SBLOCK,XP(E)::S(F)
- S(e);P_SPINB(f),XP(E)::S(I),XR(b)
- S(e);P_SPINB(f)::S(I),XR(b)
- Refutation
- P(a);
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- S(e);P_SPINB(f),XQ(D)::S(I),XR(b)
- Refutation
- R(b);XP(E)
- Try
- Q(D);
- Threat
- QAB(D)
- Vars
- S(e);P_SPINB(f),P_SPINS(e),XP(E)::S(I),XR(b)
- S(e);P_SPINB(f)::S(I),XR(b)
- Refutation
- R(b);P_SPINR(b),XP(E)
- Try
- Q(D);
- Threat
- B(B)
- Vars
- S(e);P_SPINB(f)::S(I),XR(b)
- Refutation
- R(b);XP(E)
- Try
- Q(D);
- Threat
- QAB1(D)
- Vars
- S(e);P_SPINB(f)::S(I),XR(b)
- Refutation
- R(b);XP(E)
- Try
- Actual
- Q(D);
- Vars
- K(d);S_FLIGHT::B(B)
- R(b);SBLOCK,XP(E)::S(F)
- S(e);P_SPINB(f),XQ(D)::S(I),XR(b)
- S(e);P_SPINB(f),XP(E)::S(I),XR(b)
- P(a);OGATE::QAB(D)
- R(b);SBLOCK::B(B)
- B(f);N_GUARD,P_SPINS(e)::S(I),XR(b)
- S(e);P_SPINB(f)::S(I),XR(b)
Developed and maintained by Brian Stephenson.
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