MESON Chess Problem Database
Problem Display
PID: 281 (8/5p2/4pQ2/4Rb2/6k1/3P4/6PK/6R1 w - - 0 1)
Mansfield, Comins
The Observer, 1919
(First published on Sun Dec 28 1919)
#2
6 + 4
| 887 | Mate in Two Moves | 1931 |
| 934 | Social Chess Quarterly (The) | 1934 |
| 5395 | Schach fur Nussknacker | 1994 |
| 3202 | Complete Mansfield/I | 1996 |
| 3310 | 2345 Chess Problems | 1997 |
| 5454 | Near Snap | 2007 |
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kf4
- 2.Re4#
- 1...Kh5
- 2.g4#
- 1...Bxd3
- 2.Qg5#
- 1...Be4
- 2.Qg5#
- 1...Bg6
- 2.Qg5#
- 1...Bh7
- 2.Qg5#
- 1...Kf4
- Tries
- 1.Ra1?
- 1...Kf4
- 2.Ra4#
- 2.Re4#
- 1...Bxd3
- 2.Qg5#
- 1...Be4
- 2.Qg5#
- 1...Bg6
- 2.Qg5#
- 1...Bh7
- 2.Qg5#
- 1...Kh5!
- 1...Kf4
- 1.Rb1?
- 1...Kf4
- 2.Rb4#
- 2.Re4#
- 1...Bxd3
- 2.Qg5#
- 1...Be4
- 2.Qg5#
- 1...Bg6
- 2.Qg5#
- 1...Bh7
- 2.Qg5#
- 1...Kh5!
- 1...Kf4
- 1.Rc1?
- 1...Kf4
- 2.Rc4#
- 2.Re4#
- 1...Bxd3
- 2.Qg5#
- 1...Be4
- 2.Qg5#
- 1...Bg6
- 2.Qg5#
- 1...Bh7
- 2.Qg5#
- 1...Kh5!
- 1...Kf4
- 1.Rd1?
- 1...Kf4
- 2.Re4#
- 1...Bxd3
- 2.Qg5#
- 1...Be4
- 2.Qg5#
- 1...Bg6
- 2.Qg5#
- 1...Bh7
- 2.Qg5#
- 1...Kh5!
- 1...Kf4
- 1.Rge1?
- 1...Kf4
- 2.R1e4#
- 2.R5e4#
- 1...Bxd3
- 2.Qg5#
- 1...Be4
- 2.R1xe4#
- 2.Qg5#
- 1...Bg6
- 2.Qg5#
- 1...Bh7
- 2.Qg5#
- 1...Kh5!
- 1...Kf4
- 1.Rf1?
- 1...Bxd3
- 2.Rf4#
- 2.Qg5#
- 2.Qf4#
- 1...Be4
- 2.Rf4#
- 2.Qg5#
- 2.Qf4#
- 1...Bg6
- 2.Rf4#
- 2.Qg5#
- 2.Qf4#
- 1...Bh7
- 2.Rf4#
- 2.Qg5#
- 2.Qf4#
- 1...Kh5!
- 1...Bxd3
- 1.Re4+?
- 1...Kh5
- 2.Rh4#
- 1...Bxe4!
- 1...Kh5
- 1.Qxf5+?
- 1...Kh4
- 2.Re4#
- 2.Qh3#
- 2.Qe4#
- 2.Qf4#
- 2.Qg5#
- 2.Qh5#
- 2.g3#
- 1...exf5!
- 1...Kh4
- 1.Qh6?
- 1...Bxd3
- 2.Qg5#
- 1...Be4
- 2.Qg5#
- 1...Bg6
- 2.Qg5#
- 1...Bh7
- 2.Qg5#
- 1...f6!
- 1...Bxd3
- 1.g3?
- 1...Kh5
- 2.g4#
- 1...Bxd3
- 2.Rg5#
- 2.Qf4#
- 1...Be4
- 2.Rg5#
- 2.Qf4#
- 1...Bg6
- 2.Rg5#
- 2.Qf4#
- 1...Bh7
- 2.Rg5#
- 2.Qf4#
- 1...Kf3!
- 1...Kh5
- 1.d4?
- 1...Kh5
- 2.g4#
- 1...Bb1
- 2.Qg5#
- 1...Bc2
- 2.Qg5#
- 1...Bd3
- 2.Qg5#
- 1...Be4
- 2.Qg5#
- 1...Bg6
- 2.Qg5#
- 1...Bh7
- 2.Qg5#
- 1...Kf4!
- 1...Kh5
- 1.Ra1?
- Keys
- 1.Rh1!
- 1...Kf4
- 2.Re4#
- 1...Kh5
- 2.Kg3#
- 1...Bxd3
- 2.Qg5#
- 1...Be4
- 2.Qg5#
- 1...Bg6
- 2.Qg5#
- 1...Bh7
- 2.Qg5#
- 1...Kf4
- 1.Rh1!
This anticipates 16914(1943)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(a);P-FLIGHT,P_SPINB(b)::R1(E)
- K(a);OGATE,P_SPINB(b),S_FLIGHT::P(B)
- B(b);XP(D)::QAR1(F)
- B(b);::QAR1(F)
- Tries
- Try
- R(A);
- Vars
- B(b);XP(D)::QAR1(F)
- B(b);::QAR1(F)
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- R(A);
- Vars
- B(b);XP(D)::QAR1(F)
- B(b);::QAR1(F)
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- R(A);
- Vars
- B(b);XP(D)::QAR1(F)
- B(b);::QAR1(F)
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- R(A);
- Vars
- K(a);P-FLIGHT,P_SPINB(b)::R1(E)
- B(b);XP(D)::QAR1(F)
- B(b);::QAR1(F)
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- R(A);
- Vars
- B(b);XP(D)::QAR1(F)
- B(b);::QAR1(F)
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- R(A);
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- R(E);CHECK
- Vars
- K(a);OGATE,S_FLIGHT::R1(E)
- Refutation
- B(b);XR(E)
- Try
- Q(F);CHECK,XB(b)
- Refutation
- P(c);XQ(F)
- Try
- Q(F);
- Vars
- B(b);XP(D)::QAR1(F)
- B(b);::QAR1(F)
- Refutation
- P(d);
- Try
- P(B);
- Vars
- K(a);OGATE,P_SPINB(b),S_FLIGHT::P(B)
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- P(D);
- Vars
- K(a);OGATE,P_SPINB(b),S_FLIGHT::P(B)
- B(b);::QAR1(F)
- Refutation
- K(a);P-FLIGHT,P_SPINB(b)
- Try
- Actual
- R(A);
- Vars
- K(a);P-FLIGHT,P_SPINB(b)::R1(E)
- K(a);P_SPINB(b),S_FLIGHT::R(A)+K(C)
- B(b);XP(D)::QAR1(F)
- B(b);::QAR1(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).