MESON Chess Problem Database
Problem Display
PID: 260806 (7q/2P1P3/1B5P/3b4/p1N5/Kpk5/1Np2p2/2Q2n2 w - - 0 1)
Bull, Cecil Alfred Lucas
The Field, 1886
(First published on Sat May 1 1886)
#2
8 + 8
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qd4
- 2.Ba5#
- 1...Sd2
- 2.Qxd2#
- 1...Sh2
- 2.Qd2#
- 2.Qe3#
- 1...Se3
- 2.Qd2#
- 2.Qxe3#
- 1...Sg3
- 2.Qd2#
- 2.Qe3#
- 1...Qd4
- Tries
- 1.Sxa4+?
- 1...Kxc4
- 2.Qxf1#
- 1...Kd3!
- 1...Kxc4
- 1.Se5?
- threat
- 2.Sd1#
- 2.Sxa4#
- 1...Qa8
- 2.Sd1#
- 1...Qe8
- 2.Sd1#
- 1...Bf3
- 2.Sxa4#
- 1...Bc6
- 2.Sd1#
- 1...Se3
- 2.Sxa4#
- 2.Qxe3#
- 1...Qxe5!
- threat
- 1.Qf4?
- threat
- 2.Ba5#
- 1...c1Q
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 1...c1B
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Qa8
- 2.Bd4#
- 2.Qe5#
- 2.Qd4#
- 2.Qf6#
- 1...Qb8
- 2.Bd4#
- 2.Qe5#
- 2.Qd4#
- 2.Qf6#
- 1...Be4!
- threat
- 1.Qxf1?
- threat
- 2.Sxa4#
- 2.Qd3#
- 1...c1Q
- 2.Qd3#
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 1...c1B
- 2.Qd3#
- 2.Qxc1#
- 1...c1R
- 2.Qd3#
- 2.Qxc1#
- 1...Qd4
- 2.Sxa4#
- 2.Ba5#
- 1...Qh7
- 2.Sxa4#
- 1...Qa8
- 2.Qd3#
- 1...Qe8
- 2.Qd3#
- 1...Be4
- 2.Sxa4#
- 1...Bc6
- 2.Qd3#
- 1...Bxc4!
- threat
- 1.Sxa4+?
- Keys
- 1.Qg5!
- 1...Qxh6
- 2.Qe5#
- 1...Bxc4
- 2.Qa5#
- 1...c1Q
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 1...c1B
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Qd4
- 2.Ba5#
- 1...Qe5
- 2.Qxe5#
- 1...Qf6
- 2.Qxf6#
- 1...Qg7
- 2.Qxg7#
- 1...Qh7
- 2.Qf6#
- 2.Qe5#
- 1...Qa8
- 2.Qf6#
- 2.Qe5#
- 2.Qg7#
- 1...Qb8
- 2.Qf6#
- 2.Qe5#
- 2.Qg7#
- 1...Qc8
- 2.Qf6#
- 2.Qe5#
- 2.Qg7#
- 1...Qd8
- 2.Qf6#
- 2.Qe5#
- 2.Qg7#
- 1...Qe8
- 2.Qf6#
- 2.Qe5#
- 2.Qg7#
- 1...Qf8
- 2.Qe5#
- 1...Qg8
- 2.Qf6#
- 2.Qe5#
- 1...Bh1
- 2.Qa5#
- 1...Bg2
- 2.Qa5#
- 1...Bf3
- 2.Qa5#
- 1...Be4
- 2.Qa5#
- 1...Bc6
- 2.Qa5#
- 1...Be6
- 2.Qa5#
- 1...Bb7
- 2.Qa5#
- 1...Bf7
- 2.Qa5#
- 1...Ba8
- 2.Qa5#
- 1...Bg8
- 2.Qa5#
- 1...Sd2
- 2.Qxd2#
- 2.Qe3#
- 1...Sh2
- 2.Qd2#
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sg3
- 2.Qd2#
- 2.Qe3#
- 1...Qxh6
- 1.Qg5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 21
- REMOVED MATES = 1
- Sets
- Q(h);SBLOCK::B(E)
- S(a);N_GUARD::QAB1(A),XS(a)
- Tries
- Try
- S(B);CHECK,XP(f)
- Vars
- K(e);P-FLIGHT,XS(D)::QAB(A),XS(a)
- Refutation
- K(e);N_SPINP(b),P-FLIGHT
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(h);::S(B)
- B(g);::S(B),XP(f)
- B(g);::S(B)
- Refutation
- Q(h);XS(D)
- Try
- Q(A);N_PINP(b)
- Threat
- B(E)
- Vars
- P(b);OGATEB,P_PINS(B)::QAR2(A),XQ(b)
- P(b);OGATEB::QAR2(A),XS(b)
- P(b);OGATEB,P_PINS(B)::QAR2(A),XB(b)
- P(b);OGATEB::QAR2(A),XR(b)
- Refutation
- B(g);
- Try
- Q(A);N_PINP(b),XS(a)
- Threat
- DUALS(2)
- Vars
- P(b);OGATEB::QAR2(A),XS(b)
- Q(h);::S(B),XP(f)
- Q(h);::QAR1(A)
- B(g);::S(B),XP(f)
- B(g);::QAR1(A)
- Refutation
- B(g);XS(D)
- Try
- Actual
- Q(A);N_PINP(b)
- Vars
- Q(h);N_GUARD,XP(F)::QAB(A)
- B(g);OGATE,XS(D)::QAB(A)
- P(b);OGATEB,P_PINS(B)::QAR2(A),XQ(b)
- P(b);OGATEB::QAR2(A),XS(b)
- P(b);OGATEB,P_PINS(B)::QAR2(A),XB(b)
- P(b);OGATEB::QAR2(A),XR(b)
- Q(h);SBLOCK::B(E)
- Q(h);N_GUARD::QAB(A),XQ(h)
- Q(h);N_GUARD,P_PINP(H)::QAB(A)
- B(g);OGATE::QAB(A)
- S(a);N_GUARD::QAR2(A),XS(a)
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