MESON Chess Problem Database
Problem Display
PID: 249458 (b6b/3n2B1/3ppr2/3Pk3/R7/3B1Q1n/1N6/5K2 w - - 0 1)
Willmott, Arthur
The Problemist, 1990
#2
7 + 8
| 5454 | Near Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sf2
- 2.Qh5#
- 1...Sf4
- 2.Qe4#
- 1...exd5
- 2.Qf5#
- 1...Sf2
- Tries
- 1.Bb1?
- threat
- 2.Sd3#
- 1...exd5
- 2.Qf5#
- 1...Sf2
- 2.Qh5#
- 1...Sf4
- 2.Qe4#
- 1...Sc5!
- threat
- 1.Bc2?
- threat
- 2.Sd3#
- 1...exd5
- 2.Qf5#
- 1...Sf2
- 2.Qh5#
- 1...Sf4
- 2.Qe4#
- 1...Sc5!
- threat
- 1.Bg6?
- threat
- 2.Sd3#
- 1...exd5
- 2.Qf5#
- 1...Sf2
- 2.Qh5#
- 1...Sf4
- 2.Qe4#
- 1...Sc5!
- threat
- 1.Bh7?
- threat
- 2.Sd3#
- 1...exd5
- 2.Qf5#
- 1...Sf2
- 2.Qh5#
- 1...Sf4
- 2.Qe4#
- 1...Sc5!
- threat
- 1.Bxf6+?
- 1...Bxf6
- 2.Qe4#
- 1...Sxf6!
- 1...Bxf6
- 1.Rf4?
- threat
- 2.Sc4#
- 2.Qe4#
- 1...Sxf4
- 2.Qe4#
- 1...exd5
- 2.Qe3#
- 1...Sc5
- 2.Sc4#
- 1...Sf2
- 2.Sc4#
- 1...Sg5
- 2.Sc4#
- 1...Sb6
- 2.Qe4#
- 1...Bxd5!
- threat
- 1.Bb1?
- Keys
- 1.Be4!
- threat
- 2.Sd3#
- 1...exd5
- 2.Qf5#
- 1...Sc5
- 2.Qxf6#
- 1...Sf2
- 2.Qg3#
- 1...Sf4
- 2.Qc3#
- threat
- 1.Be4!
This anticipates 266730(1998)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_PINQ(D)::QAR(D)
- S(a);N_PINQ(D)::QAR1(D)
- P(d);N_GUARD,SBLOCK,XP(F)::QAR1(D)
- Tries
- Try
- B(C);
- Threat
- S(B)
- Vars
- P(d);N_GUARD,SBLOCK,XP(F)::QAR1(D)
- S(a);N_PINQ(D)::QAR(D)
- S(a);N_PINQ(D)::QAR1(D)
- Refutation
- S(f);
- Try
- B(C);
- Threat
- S(B)
- Vars
- P(d);N_GUARD,SBLOCK,XP(F)::QAR1(D)
- S(a);N_PINQ(D)::QAR(D)
- S(a);N_PINQ(D)::QAR1(D)
- Refutation
- S(f);
- Try
- B(C);
- Threat
- S(B)
- Vars
- P(d);N_GUARD,SBLOCK,XP(F)::QAR1(D)
- S(a);N_PINQ(D)::QAR(D)
- S(a);N_PINQ(D)::QAR1(D)
- Refutation
- S(f);
- Try
- B(C);
- Threat
- S(B)
- Vars
- P(d);N_GUARD,SBLOCK,XP(F)::QAR1(D)
- S(a);N_PINQ(D)::QAR(D)
- S(a);N_PINQ(D)::QAR1(D)
- Refutation
- S(f);
- Try
- B(G);CHECK,N_SPINQ(D),XR(e)
- Vars
- B(h);SBLOCK,XB(G)::QAR1(D)
- Refutation
- S(f);XB(G)
- Try
- R(E);N_SPINQ(D)
- Threat
- DUALS(2)
- Vars
- S(a);XR(E)::QAR1(D)
- P(d);SBLOCK,XP(F)::QAR2(D)
- S(f);::S(B)
- S(a);::S(B)
- S(f);::QAR1(D)
- Refutation
- B(g);XP(F)
- Try
- Actual
- B(C);
- Threat
- S(B)
- Vars
- P(d);N_GUARD,XP(F)::QAR1(D)
- S(f);N_GUARD::QAB1(D),XR(e)
- S(a);N_PINQ(D)::QAB(D)
- S(a);N_PINQ(D),SBLOCK::QAB(D)
Developed and maintained by Brian Stephenson.
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