MESON Chess Problem Database
Problem Display
PID: 143317 (B7/6Q1/1p6/4p3/1Bpk2b1/8/1N6/K7 w - - 0 1)
Knight, JT
British Chess Magazine, 1894
#2
5 + 5
| 5454 | Near Snap | 2012 |
| 5454 | Near Snap | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Qg1#
- 1...Be2
- 2.Qg1#
- 1...Bf3
- 2.Qg1#
- 1...Bh3
- 2.Qg1#
- 1...Bf5
- 2.Qg1#
- 1...Bh5
- 2.Qg1#
- 1...Be6
- 2.Qg1#
- 1...Bd7
- 2.Qg1#
- 1...Bc8
- 2.Qg1#
- 1...b5
- 2.Qa7#
- 1...Bd1
- Tries
- 1.Bd2?
- 1...Kc5
- 2.Qxe5#
- 1...Bd1
- 2.Qg1#
- 1...Be2
- 2.Qg1#
- 1...Bf3
- 2.Qg1#
- 1...Bh3
- 2.Qg1#
- 1...Bf5
- 2.Qg1#
- 1...Bh5
- 2.Qg1#
- 1...Be6
- 2.Qg1#
- 1...Bd7
- 2.Qg1#
- 1...Bc8
- 2.Qg1#
- 1...b5
- 2.Qa7#
- 1...c3!
- 1...Kc5
- 1.Qf6?
- threat
- 2.Qf2#
- 2.Qxb6#
- 1...Bf3
- 2.Qxb6#
- 1...Bf5
- 2.Qxb6#
- 1...Be6
- 2.Qf2#
- 1...b5
- 2.Qf2#
- 2.Qb6#
- 1...Ke3!
- threat
- 1.Qh6?
- threat
- 2.Qd2#
- 2.Qxb6#
- 1...c3
- 2.Qxb6#
- 1...Be2
- 2.Qxb6#
- 1...Bf5
- 2.Qxb6#
- 1...Be6
- 2.Qd2#
- 1...b5
- 2.Qd2#
- 2.Qb6#
- 1...e4!
- threat
- 1.Qxg4+?
- 1...e4
- 2.Qxe4#
- 1...Ke3!
- 1...e4
- 1.Qg6?
- threat
- 2.Qe4#
- 2.Qxb6#
- 1...e4
- 2.Qxe4#
- 1...Bf3
- 2.Qg1#
- 2.Qxb6#
- 1...Bf5
- 2.Qg1#
- 2.Qxb6#
- 1...Be6
- 2.Qe4#
- 2.Qg1#
- 1...b5
- 2.Qe4#
- 2.Qb6#
- 1...Ke3!
- threat
- 1.Qb7?
- threat
- 2.Qe4#
- 2.Qxb6#
- 1...e4
- 2.Qxe4#
- 1...Bf3
- 2.Qxb6#
- 1...Bf5
- 2.Qxb6#
- 1...b5
- 2.Qe4#
- 2.Qb6#
- 2.Qa7#
- 1...Ke3!
- threat
- 1.Qd7+?
- 1...Ke3
- 2.Qd2#
- 1...Bxd7!
- 1...Ke3
- 1.Bd2?
- Keys
- 1.Be1!
- 1...Ke3
- 2.Qxe5#
- 1...Kc5
- 2.Qxe5#
- 1...Bd1
- 2.Qg1#
- 1...Be2
- 2.Qg1#
- 1...Bf3
- 2.Qg1#
- 1...Bh3
- 2.Qg1#
- 1...Bf5
- 2.Qg1#
- 1...Bh5
- 2.Qg1#
- 1...Be6
- 2.Qg1#
- 1...Bd7
- 2.Qg1#
- 1...Bc8
- 2.Qg1#
- 1...c3
- 2.Bf2#
- 1...b5
- 2.Qa7#
- 1...Ke3
- 1.Be1!
This anticipates 75979(1921), 16394(1940)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(c);OGATE::QAB(D)
- P(e);OGATEB::QAB(D)
- Tries
- Try
- B(C);
- Vars
- K(b);N_SPINP(d),S_FLIGHT::QAR2(D),XP(d)
- B(c);OGATE::QAB(D)
- P(e);OGATEB::QAB(D)
- Refutation
- P(a);
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- B(c);::QAB(D),XP(e)
- B(c);::QAB(D)
- Refutation
- K(b);N_SPINP(d),S_FLIGHT
- Try
- Q(D);N_PINP(d)
- Threat
- DUALS(2)
- Vars
- P(a);::QAB(D),XP(e)
- B(c);::QAB(D),XP(e)
- B(c);::QAR2(D)
- Refutation
- P(d);
- Try
- Q(D);CHECK,N_PINP(d),XB(c)
- Vars
- P(d);P_SPINP(d)::QAR1(D),XP(d)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(D);N_PINP(d)
- Threat
- DUALS(2)
- Vars
- P(d);::QAR1(D),XP(d)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(D);N_PINP(d)
- Threat
- DUALS(2)
- Vars
- P(d);::QAR1(D),XP(d)
- B(c);::QAB(D),XP(e)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(D);CHECK,N_PINP(d)
- Vars
- K(b);OGATE,S_FLIGHT::QAB1(D)
- Refutation
- B(c);XQ(D)
- Try
- Actual
- B(C);
- Vars
- K(b);N_SPINP(d),S_FLIGHT::QAR2(D),XP(d)
- B(c);OGATE::QAB(D)
- P(a);SBLOCK::B(C)
- P(e);OGATEB::QAB(D)
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