MESON Chess Problem Database
Problem Display
PID: 77124 (k7/1p6/P1N5/8/8/8/8/K1Q5 w - - 0 1)
Butwillo, Brother
The Tablet, 1948
(First published on Sat Nov 6 1948)
#2
4 + 2
| 15239 | Valois Notebooks | 2017 |
| 5454 | Near Snap | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Qa3?
- threat
- 2.Qf8#
- 1...bxa6
- 2.Qxa6#
- 1...bxc6!
- threat
- 1.Qe3?
- threat
- 2.Qa7#
- 2.Qe8#
- 1...bxa6
- 2.Qa7#
- 1...b6
- 2.Qe8#
- 1...bxc6!
- threat
- 1.Qf4?
- threat
- 2.Qb8#
- 2.Qf8#
- 1...bxa6
- 2.Qb8#
- 1...bxc6!
- threat
- 1.Qf1?
- threat
- 2.Qf8#
- 1...bxa6
- 2.Qxa6#
- 1...bxc6!
- threat
- 1.Qg1?
- threat
- 2.Qa7#
- 2.Qg8#
- 1...bxa6
- 2.Qa7#
- 1...b6
- 2.Qg8#
- 1...bxc6!
- threat
- 1.Qc4?
- threat
- 2.Qg8#
- 1...bxa6
- 2.Qxa6#
- 1...bxc6!
- threat
- 1.Qc5?
- threat
- 2.Qa7#
- 2.Qf8#
- 1...bxa6
- 2.Qa7#
- 1...b6
- 2.Qf8#
- 1...bxc6!
- threat
- 1.Qa3?
- Keys
- 1.Qb2!
- threat
- 2.Qh8#
- 2.Qxb7#
- 2.axb7#
- 1...bxa6
- 2.Qb8#
- 1...bxc6
- 2.Qb7#
- 1...b5
- 2.Qh8#
- 1...b6
- 2.Qh8#
- threat
- 1.Qb2!
This anticipates 228159(1969)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(B);
- Threat
- QAR(B)
- Vars
- P(a);OGATE,P_SPINP(a),XP(C)::QAR2(B),XP(a)
- Refutation
- P(a);XS(D)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(a);XP(C)::QAR1(B)
- P(a);::QAR(B)
- Refutation
- P(a);XS(D)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(a);XP(C)::QAR1(B)
- Refutation
- P(a);XS(D)
- Try
- Q(B);
- Threat
- QAR(B)
- Vars
- P(a);OGATE,XP(C)::QAR2(B),XP(a)
- Refutation
- P(a);XS(D)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(a);XP(C)::QAR1(B)
- P(a);::QAR(B)
- Refutation
- P(a);XS(D)
- Try
- Q(B);
- Threat
- QAR(B)
- Vars
- P(a);OGATE,XP(C)::QAR2(B),XP(a)
- Refutation
- P(a);XS(D)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(a);XP(C)::QAR1(B)
- P(a);::QAR(B)
- Refutation
- P(a);XS(D)
- Try
- Actual
- Q(B);
- Threat
- DUALS(3)
- Vars
- P(a);OGATE,XP(C)::QAR1(B)
- P(a);XS(D)::QAB1(B)
- P(a);::QAB1(B)
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