MESON Chess Problem Database
Problem Display
PID: 76807 (3Q4/1p6/q3p3/2k5/3R4/pR6/B3P3/K7 w - - 0 1)
Butwillo, Brother
The Tablet, 1945
(First published on Sat Oct 13 1945)
#2
6 + 5
| 15239 | Valois Notebooks | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Kc6
- 2.Qd6#
- 2.Qc8#
- 1...Qxe2
- 2.Qb6#
- 2.Qd6#
- 1...Qd3
- 2.Qb6#
- 2.Qd6#
- 1...Qc4
- 2.Qb6#
- 2.Qd6#
- 1...Qb5
- 2.Qd6#
- 1...Qa4
- 2.Qb6#
- 2.Qd6#
- 1...Qa5
- 2.Qd6#
- 1...Qb6
- 2.Qxb6#
- 1...Qd6
- 2.Qxd6#
- 1...Qa7
- 2.Qd6#
- 1...Qa8
- 2.Qb6#
- 2.Qd6#
- 1...e5
- 2.Qd5#
- 1...b5
- 2.Rc3#
- 1...b6
- 2.Qd6#
- 1...Kc6
- Tries
- 1.Rb2?
- 1...Kc6
- 2.Qd6#
- 2.Qc8#
- 1...Qxe2
- 2.Qb6#
- 2.Qd6#
- 1...Qd6
- 2.Qxd6#
- 1...Qc6
- 2.Rc4#
- 1...Qd3
- 2.Qb6#
- 2.Qd6#
- 1...Qc4
- 2.Rxc4#
- 2.Qb6#
- 2.Qd6#
- 1...Qb5
- 2.Qd6#
- 1...Qa4
- 2.Qb6#
- 2.Qd6#
- 1...Qa5
- 2.Rc4#
- 2.Qd6#
- 1...Qb6
- 2.Rc4#
- 2.Qxb6#
- 1...Qa7
- 2.Rc4#
- 2.Qd6#
- 1...Qa8
- 2.Rc4#
- 2.Qb6#
- 2.Qd6#
- 1...e5
- 2.Qd5#
- 1...b5
- 2.Rc2#
- 1...b6
- 2.Qd6#
- 1...axb2+!
- 1...Kc6
- 1.Rbb4?
- 1...Kc6
- 2.Qd6#
- 2.Qc8#
- 1...Qxe2
- 2.Qb6#
- 2.Qc7#
- 2.Qd6#
- 2.Qc8#
- 1...Qc4
- 2.Rdxc4#
- 2.Qb6#
- 2.Qd6#
- 1...Qc6
- 2.Rdc4#
- 1...Qd3
- 2.Qb6#
- 2.Qc7#
- 2.Qd6#
- 2.Qc8#
- 1...Qb5
- 2.Qd6#
- 1...Qa4
- 2.Rdc4#
- 2.Qb6#
- 2.Qd6#
- 1...Qa5
- 2.Rdc4#
- 2.Qd6#
- 1...Qb6
- 2.Rdc4#
- 2.Qxb6#
- 1...Qd6
- 2.Qxd6#
- 1...Qa7
- 2.Rdc4#
- 2.Qc7#
- 2.Qd6#
- 2.Qc8#
- 1...Qa8
- 2.Rdc4#
- 2.Qb6#
- 2.Qc7#
- 2.Qd6#
- 1...e5
- 2.Qd5#
- 1...b6
- 2.Qc7#
- 2.Qd6#
- 1...b5!
- 1...Kc6
- 1.Rb5+?
- 1...Kc6
- 2.Qd7#
- 1...Qxb5
- 2.Qd6#
- 1...Kxb5!
- 1...Kc6
- 1.Rxb7?
- 1...Kc6
- 2.Qc7#
- 2.Qc8#
- 1...Qxe2
- 2.Qb6#
- 2.Qd6#
- 1...Qb6
- 2.Qxb6#
- 1...Qd6
- 2.Qxd6#
- 1...Qc6
- 2.Rc4#
- 1...Qd3
- 2.Qb6#
- 2.Qd6#
- 1...Qc4
- 2.Rxc4#
- 2.Qb6#
- 2.Qd6#
- 1...Qb5
- 2.Qd6#
- 1...Qa4
- 2.Qb6#
- 2.Qd6#
- 1...Qa5
- 2.Rc4#
- 2.Qd6#
- 1...Qa7
- 2.Rc4#
- 2.Qd6#
- 1...Qa8
- 2.Rc4#
- 2.Qb6#
- 2.Qd6#
- 1...e5
- 2.Qd5#
- 1...Qxb7!
- 1...Kc6
- 1.Qe7+?
- 1...Kc6
- 2.Qd6#
- 1...Qd6
- 2.Qxd6#
- 1...Kxd4!
- 1...Kc6
- 1.Qf8+?
- 1...Kc6
- 2.Qd6#
- 2.Qc8#
- 1...Qd6
- 2.Qxd6#
- 1...Kxd4!
- 1...Kc6
- 1.Rb2?
- Keys
- 1.Rb1!
- 1...Kc6
- 2.Qd6#
- 2.Qc8#
- 1...Qxe2
- 2.Qb6#
- 2.Qd6#
- 1...Qd6
- 2.Qxd6#
- 1...Qc6
- 2.Rc4#
- 1...Qd3
- 2.Qb6#
- 2.Qd6#
- 1...Qc4
- 2.Rxc4#
- 2.Qb6#
- 2.Qd6#
- 1...Qb5
- 2.Qd6#
- 1...Qa4
- 2.Qb6#
- 2.Qd6#
- 1...Qa5
- 2.Rc4#
- 2.Qd6#
- 1...Qb6
- 2.Rc4#
- 2.Qxb6#
- 1...Qa7
- 2.Rc4#
- 2.Qd6#
- 1...Qa8
- 2.Rc4#
- 2.Qb6#
- 2.Qd6#
- 1...e5
- 2.Qd5#
- 1...b5
- 2.Rc1#
- 1...b6
- 2.Qd6#
- 1...Kc6
- 1.Rb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- Q(c);N_GUARD::QAB1(F)
- Q(c);N_GUARD::QAB1(F),XQ(c)
- P(d);N_GUARD::QAR1(F)
- P(e);SBLOCK,S_CUTQ(c)::R(D)
- P(e);S_CUTQ(c)::QAB1(F)
- Tries
- Try
- R(D);
- Vars
- Q(c);N_GUARD::QAB1(F),XQ(c)
- Q(c);N_GUARD,SBLOCK::R1(E)
- Q(c);N_GUARD::QAB1(F)
- P(d);N_GUARD::QAR1(F)
- P(e);SBLOCK,S_CUTQ(c)::R(D)
- P(e);S_CUTQ(c)::QAB1(F)
- Refutation
- P(a);CHECK,P_PINB(B),XR(D)
- Try
- R(D);
- Vars
- Q(c);N_GUARD,SBLOCK::R1(E)
- Q(c);N_GUARD::QAB1(F)
- Q(c);N_GUARD::QAB1(F),XQ(c)
- P(d);N_GUARD::QAR1(F)
- Refutation
- P(e);
- Try
- R(D);CHECK
- Vars
- K(b);P-FLIGHT::QAB1(F)
- Q(c);SBLOCK,XR(D)::QAB1(F)
- Refutation
- K(b);P-FLIGHT,XR(D)
- Try
- R(D);XP(e)
- Vars
- Q(c);N_GUARD::QAB1(F),XQ(c)
- Q(c);N_GUARD,SBLOCK::R1(E)
- Q(c);N_GUARD::QAB1(F)
- P(d);N_GUARD::QAR1(F)
- Refutation
- Q(c);XR(D)
- Try
- Q(F);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(F)
- Q(c);N_GUARD,P_SPINQ(c)::QAB1(F),XQ(c)
- Refutation
- K(b);S_FLIGHT,XR(E)
- Try
- Q(F);CHECK
- Vars
- Q(c);N_GUARD,P_SPINQ(c)::QAB1(F),XQ(c)
- Refutation
- K(b);S_FLIGHT,XR(E)
- Try
- Actual
- R(D);
- Vars
- Q(c);N_GUARD::QAB1(F),XQ(c)
- Q(c);N_GUARD,SBLOCK::R1(E)
- Q(c);N_GUARD::QAB1(F)
- P(d);N_GUARD::QAR1(F)
- P(e);SBLOCK,S_CUTQ(c)::R(D)
- P(e);S_CUTQ(c)::QAB1(F)
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).