MESON Chess Problem Database
Problem Display
PID: 211320 (2R5/Kp6/6pr/2B3Q1/P1kqB1R1/2p2N2/P1p5/5b2 w - - 0 1)
Stott, Thomas Middleton
The Observer, 1922
(First published on Sun Feb 5 1922)
#2
9 + 8
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Se5#
- 2.Qd5#
- 1...Qf2
- 2.Se5#
- 2.Qd5#
- 1...Qe3
- 2.Se5#
- 2.Qd5#
- 1...Qxc5+
- 2.Qxc5#
- 1...Qe5
- 2.Sxe5#
- 1...Qf6
- 2.Bd6#
- 2.Qd5#
- 1...Qg7
- 2.Be7#
- 2.Qd5#
- 1...Qh8
- 2.Bf8#
- 2.Qd5#
- 1...Qd1
- 2.Se5#
- 2.Ba3#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qd2
- 2.Se5#
- 2.Ba3#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qd3
- 2.Se5#
- 2.Bd5#
- 2.Ba3#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qd5
- 2.Qxd5#
- 1...Qd6
- 2.Bxd6#
- 1...Qd7
- 2.Se5#
- 1...Qd8
- 2.Se5#
- 1...Bd3
- 2.Bd5#
- 1...Qg1
- Tries
- 1.Se1?
- threat
- 2.Bd5#
- 1...Qxc5+
- 2.Qxc5#
- 1...Qxe4
- 2.Rxe4#
- 1...Qd5
- 2.Bd3#
- 2.Bxd5#
- 2.Qxd5#
- 1...Bg2
- 2.Bd3#
- 1...Qe5!
- threat
- 1.Bd3+?
- 1...Bxd3
- 2.Rxd4#
- 1...Kxd3!
- 1...Bxd3
- 1.Bc6?
- threat
- 2.Bb5#
- 2.Rxd4#
- 1...Qxg4
- 2.Bb5#
- 2.Qd5#
- 1...bxc6
- 2.Rxd4#
- 1...Qe4
- 2.Bb5#
- 2.Qd5#
- 1...Qf4
- 2.Bb5#
- 2.Qd5#
- 1...Rh4
- 2.Bb5#
- 1...b5
- 2.Bxb5#
- 2.Rxd4#
- 1...Kd3!
- threat
- 1.Bxb7?
- threat
- 2.Se5#
- 2.Ba6#
- 2.Rxd4#
- 1...Qxg4
- 2.Se5#
- 2.Ba6#
- 2.Qd5#
- 1...Qe4
- 2.Se5#
- 2.Ba6#
- 2.Qd5#
- 1...Qf4
- 2.Se5#
- 2.Ba6#
- 2.Qd5#
- 1...Rh4
- 2.Se5#
- 2.Ba6#
- 1...Rh7
- 2.Se5#
- 2.Rxd4#
- 1...Kd3!
- threat
- 1.Bb6+?
- 1...Qc5
- 2.Bxc2#
- 2.Bxg6#
- 2.Qxc5#
- 1...Kb4!
- 1...Qc5
- 1.Qd8?
- threat
- 2.Qxd4#
- 1...Qxe4
- 2.Se5#
- 2.Ba3#
- 2.Be7#
- 2.Bf8#
- 2.Rxe4#
- 1...Qxd8
- 2.Se5#
- 1...Qg1
- 2.Se5#
- 2.Bd3#
- 2.Qd5#
- 2.Qg8#
- 1...Qf2
- 2.Se5#
- 2.Bd3#
- 2.Qd5#
- 2.Qg8#
- 1...Qe3
- 2.Se5#
- 2.Bd3#
- 2.Qd5#
- 2.Qg8#
- 1...Qe5
- 2.Sxe5#
- 2.Bd3#
- 1...Qf6
- 2.Bd3#
- 2.Bd6#
- 2.Qd5#
- 1...Qg7
- 2.Bd3#
- 2.Be7#
- 2.Qd5#
- 1...Qh8
- 2.Bd3#
- 2.Ba3#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 2.Qd5#
- 1...Qd1
- 2.Se5#
- 2.Bd3#
- 2.Ba3#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qd2
- 2.Se5#
- 2.Bd3#
- 2.Ba3#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qd3
- 2.Se5#
- 2.Bxd3#
- 2.Bd5#
- 2.Ba3#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qd5
- 2.Qxd5#
- 1...Qd6
- 2.Bxd6#
- 1...Qd7
- 2.Se5#
- 1...Qxc5+!
- threat
- 1.Qf5?
- threat
- 2.Bd5#
- 1...Qxc5+
- 2.Qxc5#
- 1...Qxe4
- 2.Qxe4#
- 1...Qe5
- 2.Sxe5#
- 1...Qd5
- 2.Bd3#
- 2.Bxd5#
- 2.Qxd5#
- 1...gxf5!
- threat
- 1.Se1?
- Keys
- 1.Qe3!
- threat
- 2.Qxd4#
- 1...Qxc5+
- 2.Qxc5#
- 1...Qxe3
- 2.Se5#
- 1...Qxe4
- 2.Qxe4#
- 1...Qe5
- 2.Sxe5#
- 1...Qf6
- 2.Bd6#
- 1...Qg7
- 2.Be7#
- 1...Qh8
- 2.Bf8#
- 1...Qd1
- 2.Se5#
- 2.Ba3#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qd2
- 2.Se5#
- 2.Ba3#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qd3
- 2.Se5#
- 2.Ba3#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qd5
- 2.Bd3#
- 1...Qd6
- 2.Bxd6#
- 1...Qd7
- 2.Se5#
- 1...Qd8
- 2.Se5#
- threat
- 1.Qe3!
There are these versions: 201649
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- Q(e);CHECK,OGATE,P_SPINQ(e),XB(F)::QAR1(G),XQ(e)
- Q(e);N_GUARD,N_PINB(F)::S(B),XQ(e)
- Q(e);N_GUARD,N_PINB(F)::QAB1(G),XQ(e)
- Q(e);N_PINB(F)::R(I)+B(F),XQ(e)
- Q(e);N_GUARD,N_PINB(F)::S(B)
- B(a);SBLOCK::B(D)
- Tries
- Try
- S(B);
- Threat
- B(D)
- Vars
- Q(e);CHECK,OGATE,P_SPINQ(e),XB(F)::QAR1(G),XQ(e)
- Q(e);N_PINB(F),OGATE,P_SPINQ(e),XB(D)::R(E),XQ(e)
- B(a);N_GUARD::B(D)
- Refutation
- Q(e);N_PINB(F)
- Try
- B(D);CHECK,P_PINQ(e)
- Vars
- B(a);XB(D)::R1(E),XQ(e)
- Refutation
- K(d);N_SPINQ(e),S_FLIGHT,XB(D)
- Try
- B(D);P_PINQ(e)
- Threat
- DUALS(2)
- Vars
- P(h);XB(D)::R1(E),XQ(e)
- R(g);::B(D)
- Refutation
- K(d);N_SPINQ(e),S_FLIGHT
- Try
- B(D);P_PINQ(e),XP(h)
- Threat
- DUALS(3)
- Refutation
- K(d);N_SPINQ(e),S_FLIGHT
- Try
- B(F);CHECK
- Refutation
- K(d);P-FLIGHT
- Try
- Q(G);
- Threat
- QAR1(G),XQ(e)
- Vars
- Q(e);N_GUARD,N_PINB(F),XQ(G)::S(B)
- Q(e);N_GUARD,N_PINB(F)::QAB1(G),XQ(e)
- Q(e);N_PINB(F)::R(I)+B(F),XQ(e)
- Q(e);N_GUARD,N_PINB(F)::S(B)
- Refutation
- Q(e);CHECK,P_SPINQ(e),XB(F)
- Try
- Q(G);
- Threat
- B(D)
- Vars
- Q(e);CHECK,OGATE,P_SPINQ(e),XB(F)::QAR1(G),XQ(e)
- Q(e);N_PINB(F),OGATE,P_SPINQ(e),XB(D)::QAR2(G),XQ(e)
- Q(e);N_GUARD,N_PINB(F)::S(B),XQ(e)
- Refutation
- P(f);XQ(G)
- Try
- Actual
- Q(G);
- Threat
- QAR1(G),XQ(e)
- Vars
- Q(e);CHECK,OGATE,P_SPINQ(e),XB(F)::QAR1(G),XQ(e)
- Q(e);N_GUARD,XQ(G)::S(B)
- Q(e);N_PINB(F),OGATE,P_SPINQ(e),XB(D)::QAR2(G),XQ(e)
- Q(e);N_GUARD,N_PINB(F)::S(B),XQ(e)
- Q(e);N_PINB(F)::R(I)+B(F)
- Q(e);N_PINB(F),SBLOCK::R(E)+B(D),DCHECK
- Q(e);N_PINB(F)::R(I)+B(F),XQ(e)
- Q(e);N_GUARD,N_PINB(F)::S(B)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).