MESON Chess Problem Database
Problem Display
PID: 220376 (8/3n4/R2B2NK/3k2N1/1Qn2P2/8/8/8 w - - 0 1)
Bull, Cecil Alfred Lucas
The Field, 1885
(First published on Sat May 9 1885)
#2
7 + 3
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Se7#
- 2.Qe4#
- 1...Sd2
- 2.Se7#
- 1...Sa3
- 2.Se7#
- 2.Qe4#
- 1...Se3
- 2.Se7#
- 2.Qe4#
- 1...Sa5
- 2.Se7#
- 2.Qe4#
- 1...Sce5
- 2.Se7#
- 2.Qe4#
- 1...Scb6
- 2.Se7#
- 1...Sxd6
- 2.Se7#
- 2.Rxd6#
- 1...Sc5
- 2.Qxc5#
- 1...Sde5
- 2.Qc5#
- 1...Sdb6
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Sb2
- Tries
- 1.Kg7?
- 1...Sxd6
- 2.Se7#
- 2.Rxd6#
- 1...Sdb6
- 2.Qc5#
- 1...Sb2
- 2.Se7#
- 2.Qe4#
- 1...Sd2
- 2.Se7#
- 1...Sa3
- 2.Se7#
- 2.Qe4#
- 1...Se3
- 2.Se7#
- 2.Qe4#
- 1...Sa5
- 2.Se7#
- 2.Qe4#
- 1...Sce5
- 2.Se7#
- 2.Qe4#
- 1...Scb6
- 2.Se7#
- 1...Sc5
- 2.Qxc5#
- 1...Sde5
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Kd4!
- 1...Sxd6
- 1.Se5?
- threat
- 2.Qxc4#
- 1...Scxe5
- 2.Qe4#
- 1...Sxd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Sdxe5
- 2.Qc5#
- 1...Sb2
- 2.Qe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sa3
- 2.Qd2#
- 2.Qe4#
- 1...Se3
- 2.Qd2#
- 2.Qe4#
- 1...Sa5
- 2.Qd2#
- 2.Qe4#
- 1...Scb6
- 2.Qd2#
- 1...Sdb6
- 2.Qc5#
- 1...Kd4!
- threat
- 1.Be7?
- 1...Sdb6
- 2.Qc5#
- 1...Sd2
- 2.Rd6#
- 1...Sb2
- 2.Rd6#
- 2.Qe4#
- 1...Sa3
- 2.Rd6#
- 2.Qe4#
- 1...Se3
- 2.Rd6#
- 2.Qe4#
- 1...Sa5
- 2.Rd6#
- 2.Qe4#
- 1...Sce5
- 2.Rd6#
- 2.Qe4#
- 1...Scb6
- 2.Qe4#
- 1...Sd6
- 2.Rxd6#
- 1...Sc5
- 2.Qxc5#
- 1...Sde5
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Kd4!
- 1...Sdb6
- 1.Ra1?
- 1...Kc6
- 2.Se7#
- 1...Sxd6
- 2.Se7#
- 1...Sc5
- 2.Qxc5#
- 1...Sd2
- 2.Se7#
- 1...Sb2
- 2.Se7#
- 1...Sa3
- 2.Se7#
- 1...Se3
- 2.Se7#
- 1...Sa5
- 2.Se7#
- 1...Sce5
- 2.Se7#
- 1...Scb6
- 2.Se7#
- 1...Sde5
- 2.Qc5#
- 1...Sdb6
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Kd4!
- 1...Kc6
- 1.Ra2?
- 1...Kc6
- 2.Se7#
- 1...Sxd6
- 2.Se7#
- 1...Sc5
- 2.Qxc5#
- 1...Sd2
- 2.Se7#
- 1...Sb2
- 2.Se7#
- 1...Sa3
- 2.Se7#
- 1...Se3
- 2.Se7#
- 1...Sa5
- 2.Se7#
- 1...Sce5
- 2.Se7#
- 1...Scb6
- 2.Se7#
- 1...Sde5
- 2.Qc5#
- 1...Sdb6
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Kd4!
- 1...Kc6
- 1.Ra3?
- 1...Kc6
- 2.Se7#
- 1...Sxa3
- 2.Se7#
- 1...Sxd6
- 2.Se7#
- 1...Sc5
- 2.Qxc5#
- 1...Sd2
- 2.Se7#
- 1...Sb2
- 2.Se7#
- 1...Se3
- 2.Se7#
- 1...Sa5
- 2.Se7#
- 1...Sce5
- 2.Se7#
- 1...Scb6
- 2.Se7#
- 1...Sde5
- 2.Qc5#
- 1...Sdb6
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Kd4!
- 1...Kc6
- 1.Ra5+?
- 1...Kc6
- 2.Se7#
- 1...Sxa5
- 2.Se7#
- 1...Sc5
- 2.Qxc5#
- 1...Kd4!
- 1...Kc6
- 1.Rb6?
- 1...Scxb6
- 2.Se7#
- 1...Sxd6
- 2.Se7#
- 2.Rxd6#
- 1...Sdxb6
- 2.Qc5#
- 1...Sd2
- 2.Se7#
- 1...Sb2
- 2.Se7#
- 2.Qe4#
- 1...Sa3
- 2.Se7#
- 2.Qe4#
- 1...Se3
- 2.Se7#
- 2.Qe4#
- 1...Sa5
- 2.Se7#
- 2.Qe4#
- 1...Sce5
- 2.Se7#
- 2.Qe4#
- 1...Sc5
- 2.Qxc5#
- 1...Sde5
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Kd4!
- 1...Scxb6
- 1.Rc6?
- threat
- 2.Qxc4#
- 1...Kxc6
- 2.Se7#
- 1...Sxd6
- 2.Se7#
- 2.Rxd6#
- 2.Qxd6#
- 1...Sd2
- 2.Se7#
- 1...Sb2
- 2.Se7#
- 2.Qe4#
- 1...Sa3
- 2.Se7#
- 2.Qe4#
- 1...Se3
- 2.Se7#
- 2.Qe4#
- 1...Sa5
- 2.Se7#
- 2.Qe4#
- 1...Sce5
- 2.Se7#
- 2.Qe4#
- 1...Scb6
- 2.Se7#
- 2.Qe4#
- 1...Sc5
- 2.Qxc5#
- 1...Sde5
- 2.Qc5#
- 1...Sdb6
- 2.Qc5#
- 1...Kd4!
- threat
- 1.Ra7?
- 1...Kc6
- 2.Se7#
- 1...Sxd6
- 2.Se7#
- 1...Sc5
- 2.Qxc5#
- 1...Sd2
- 2.Se7#
- 1...Sb2
- 2.Se7#
- 1...Sa3
- 2.Se7#
- 1...Se3
- 2.Se7#
- 1...Sa5
- 2.Se7#
- 1...Sce5
- 2.Se7#
- 1...Scb6
- 2.Se7#
- 1...Sde5
- 2.Qc5#
- 1...Sdb6
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Kd4!
- 1...Kc6
- 1.Ra8?
- 1...Kc6
- 2.Se7#
- 1...Sxd6
- 2.Se7#
- 1...Sc5
- 2.Qxc5#
- 1...Sd2
- 2.Se7#
- 1...Sb2
- 2.Se7#
- 1...Sa3
- 2.Se7#
- 1...Se3
- 2.Se7#
- 1...Sa5
- 2.Se7#
- 1...Sce5
- 2.Se7#
- 1...Scb6
- 2.Se7#
- 1...Sde5
- 2.Qc5#
- 1...Sdb6
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Kd4!
- 1...Kc6
- 1.Qb5+?
- 1...Sc5
- 2.Qxc5#
- 1...Kd4!
- 1...Sc5
- 1.f5?
- 1...Sxd6
- 2.Rxd6#
- 1...Sdb6
- 2.Qc5#
- 1...Sd2
- 2.Sf4#
- 2.Se7#
- 1...Sb2
- 2.Sf4#
- 2.Se7#
- 2.Qe4#
- 1...Sa3
- 2.Sf4#
- 2.Se7#
- 2.Qe4#
- 1...Se3
- 2.Sf4#
- 2.Se7#
- 2.Qe4#
- 1...Sa5
- 2.Sf4#
- 2.Se7#
- 2.Qe4#
- 1...Sce5
- 2.Sf4#
- 2.Se7#
- 2.Qe4#
- 1...Scb6
- 2.Se7#
- 1...Sc5
- 2.Qxc5#
- 1...Sde5
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Kd4!
- 1...Sxd6
- 1.Kg7?
- Keys
- 1.Ra4!
- 1...Kd4
- 2.Qd2#
- 1...Kc6
- 2.Se7#
- 1...Sxd6
- 2.Se7#
- 1...Sc5
- 2.Qxc5#
- 1...Sd2
- 2.Se7#
- 1...Sb2
- 2.Se7#
- 1...Sa3
- 2.Se7#
- 1...Se3
- 2.Se7#
- 1...Sa5
- 2.Se7#
- 1...Sce5
- 2.Se7#
- 1...Scb6
- 2.Se7#
- 1...Sde5
- 2.Qc5#
- 1...Sdb6
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Kd4
- 1.Ra4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- S(a);::S(F)
- S(c);N_GUARD::QAR1(A),XS(c)
- S(c);N_GUARD::QAR1(A)
- Tries
- Try
- K(G);S_FLIGHT
- Vars
- S(c);N_GUARD::QAR1(A)
- S(a);::S(F)
- S(c);N_GUARD::QAR1(A),XS(c)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- S(F);
- Threat
- QAB1(A),XS(a)
- Vars
- S(a);OGATE,XS(F)::QAB1(A)
- S(c);N_GUARD,XS(F)::QAR1(A)
- S(a);OGATE::QAB1(A)
- S(a);N_GUARD::QAR(A),XS(a)
- S(a);N_GUARD::QAR(A)
- S(c);N_GUARD::QAR1(A)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- B(E);
- Vars
- S(c);N_GUARD::QAR1(A)
- S(a);N_GUARD::R1(D)
- S(a);OGATE::QAB1(A)
- S(a);N_GUARD::R1(D),XS(a)
- S(c);N_GUARD::QAR1(A),XS(c)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::S(F)
- S(a);XB(E)::S(F)
- S(c);N_GUARD::QAR1(A),XS(c)
- S(a);::S(F)
- S(c);N_GUARD::QAR1(A)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::S(F)
- S(a);XB(E)::S(F)
- S(c);N_GUARD::QAR1(A),XS(c)
- S(a);::S(F)
- S(c);N_GUARD::QAR1(A)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::S(F)
- S(a);XR(D)::S(F)
- S(a);XB(E)::S(F)
- S(c);N_GUARD::QAR1(A),XS(c)
- S(a);::S(F)
- S(c);N_GUARD::QAR1(A)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- R(D);CHECK
- Vars
- K(b);S_FLIGHT::S(F)
- S(a);XR(D)::S(F)
- S(c);N_GUARD,P_SPINS(c)::QAR1(A),XS(c)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- R(D);
- Vars
- S(a);XR(D)::S(F)
- S(c);N_GUARD,XR(D)::QAR1(A)
- S(a);::S(F)
- S(c);N_GUARD::QAR1(A),XS(c)
- S(c);N_GUARD::QAR1(A)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- R(D);
- Threat
- QAB1(A),XS(a)
- Vars
- K(b);S_FLIGHT,XR(D)::S(F)
- S(a);::S(F)
- S(c);N_GUARD::QAR1(A),XS(c)
- S(c);N_GUARD::QAR1(A)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::S(F)
- S(a);XB(E)::S(F)
- S(c);N_GUARD::QAR1(A),XS(c)
- S(a);::S(F)
- S(c);N_GUARD::QAR1(A)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::S(F)
- S(a);XB(E)::S(F)
- S(c);N_GUARD::QAR1(A),XS(c)
- S(a);::S(F)
- S(c);N_GUARD::QAR1(A)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- Q(A);CHECK
- Vars
- S(c);N_GUARD,P_SPINS(c)::QAR1(A),XS(c)
- Refutation
- K(b);P-FLIGHT
- Try
- P(B);
- Vars
- S(a);OGATE,XB(E)::R1(D),XS(a)
- S(c);N_GUARD::QAR1(A)
- S(a);::S(F)
- S(c);N_GUARD::QAR1(A),XS(c)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- Actual
- R(D);
- Vars
- K(b);P-FLIGHT,P_SPINS(a)::QAR2(A)
- K(b);S_FLIGHT::S(F)
- S(a);XB(E)::S(F)
- S(c);N_GUARD::QAR1(A),XS(c)
- S(a);::S(F)
- S(c);N_GUARD::QAR1(A)
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