MESON Chess Problem Database
Problem Display
PID: 51485 (8/5p2/3pP1p1/1P3k2/R3R3/3K4/6Pn/QBB5 w - - 0 1)
Brotherton, David WA
The Guardian, 1961
#2
9 + 5
| 5454 | Near Snap | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Sf1
- 2.g4#
- 1...Sf3
- 2.g4#
- 1...d5
- 2.Qe5#
- 1...Sf1
- Tries
- 1.Ke2?
- 1...fxe6
- 2.Reb4#
- 2.Rec4#
- 2.Rg4#
- 2.Rh4#
- 1...g5
- 2.Re3#
- 1...Sf1
- 2.g4#
- 1...Sf3
- 2.g4#
- 1...d5
- 2.Qe5#
- 1...f6
- 2.Re5#
- 1...Sg4!
- 1...fxe6
- 1.Re2?
- 1...g5
- 2.Kd2#
- 1...Sg4
- 2.Kc4#
- 1...Sf1
- 2.g4#
- 1...Sf3
- 2.g4#
- 1...d5
- 2.Qe5#
- 1...f6
- 2.Kc3#
- 1...fxe6!
- 1...g5
- 1.Ke2?
- Keys
- 1.Re1!
- 1...fxe6
- 2.Ke2#
- 1...g5
- 2.Kd2#
- 1...Sg4
- 2.Kc4#
- 1...Sf1
- 2.g4#
- 1...Sf3
- 2.g4#
- 1...d5
- 2.Qe5#
- 1...f6
- 2.Kc3#
- 1...fxe6
- 1.Re1!
Anticipated by 4724(1888)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::P(D)
- P(c);N_GUARD::QAR1(A)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- P(d);SBLOCK::B(B)+R(G)
- S(a);N_GUARD::P(D)
- P(c);N_GUARD::QAR1(A)
- P(e);SBLOCK::B(B)+R(G),DCHECK
- Refutation
- S(a);
- Try
- R(G);
- Vars
- P(d);SBLOCK::B(B)+K(E)
- S(a);SBLOCK::B(B)+K(E)
- S(a);N_GUARD::P(D)
- P(c);N_GUARD::QAR1(A)
- P(e);SBLOCK::B(B)+K(E)
- Refutation
- P(e);XP(I)
- Try
- Actual
- R(G);
- Vars
- P(e);SBLOCK,XP(I)::B(B)+K(E)
- P(d);SBLOCK::B(B)+K(E)
- S(a);SBLOCK::B(B)+K(E)
- S(a);N_GUARD::P(D)
- P(c);N_GUARD::QAR1(A)
- P(e);SBLOCK::B(B)+K(E)
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).