MESON Chess Problem Database
Problem Display
PID: 149816 (8/8/8/KPkp4/2N4Q/8/3P4/8 w - - 0 1)
Buchbinder, Grigory J
Revista Romana de Sah, 1974
#2
5 + 2
| 5454 | Near Snap | 2014 |
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Tries
- 1.Se3?
- threat
- 2.Qb4#
- 1...d4
- 2.Qe7#
- 1...Kd6!
- threat
- 1.Sb6?
- threat
- 2.Qb4#
- 1...d4
- 2.Qe7#
- 1...Kd6!
- threat
- 1.Qe4?
- 1...dxc4
- 2.Qe5#
- 1...d4
- 2.Qc6#
- 1...dxe4!
- 1...dxc4
- 1.Qf4?
- 1...dxc4
- 2.Qe5#
- 1...d4!
- 1...dxc4
- 1.Qh8?
- 1...Kxc4
- 2.Qc3#
- 1...dxc4
- 2.Qe5#
- 1...d4!
- 1...Kxc4
- 1.d3?
- 1...d4
- 2.Qg5#
- 2.Qh5#
- 1...dxc4!
- 1...d4
- 1.Se3?
- Keys
- 1.Qf6!
- 1...Kxc4
- 2.Qc3#
- 1...dxc4
- 2.Qe5#
- 1...d4
- 2.Qc6#
- 1...Kxc4
- 1.Qf6!
Anticipated by 104541(1930)
This anticipates 16231(2000)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(B);
- Threat
- QAB1(C)
- Vars
- P(b);SBLOCK::QAB(C)
- Refutation
- K(a);S_FLIGHT
- Try
- S(B);
- Threat
- QAB1(C)
- Vars
- P(b);SBLOCK::QAB(C)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(C);
- Vars
- P(b);OGATEB,SBLOCK,XS(B)::QAR2(C)
- P(b);OGATE,SBLOCK::QAR1(C)
- Refutation
- P(b);XQ(C)
- Try
- Q(C);
- Vars
- P(b);OGATEB,SBLOCK,XS(B)::QAR2(C)
- Refutation
- P(b);
- Try
- Q(C);
- Vars
- K(a);OGATEB,P-FLIGHT,XS(B)::QAR1(C)
- P(b);OGATEB,SBLOCK,XS(B)::QAR2(C)
- Refutation
- P(b);
- Try
- P(A);
- Refutation
- P(b);XS(B)
- Try
- Actual
- Q(C);
- Vars
- K(a);OGATEB,P-FLIGHT,XS(B)::QAR1(C)
- P(b);OGATEB,SBLOCK,XS(B)::QAR2(C)
- P(b);SBLOCK::QAR1(C)
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).