MESON Chess Problem Database
Problem Display
PID: 152968 (7k/6bp/8/7K/1BB5/8/8/2Q5 w - - 0 1)
Alekseev, Yuri Mikhailovich
Kudesnik, 2004
#2
4 + 3
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Qxa1#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Bxc3#
- 2.Qxc3#
- 1...Ba1
- Tries
- 1.Qg5?
- 1...Ba1
- 2.Qg8#
- 1...Bb2
- 2.Qg8#
- 1...Bc3
- 2.Bxc3#
- 2.Qg8#
- 1...Bd4
- 2.Qg8#
- 1...Be5
- 2.Qxe5#
- 2.Qg8#
- 1...Bf6
- 2.Qxf6#
- 2.Qg8#
- 1...Bh6
- 2.Qg8#
- 1...Bf8
- 2.Qg8#
- 1...h6!
- 1...Ba1
- 1.Qh6?
- 1...Ba1
- 2.Qf8#
- 1...Bb2
- 2.Qf8#
- 1...Bc3
- 2.Bxc3#
- 2.Qf8#
- 1...Bd4
- 2.Qf8#
- 1...Be5
- 2.Qf8#
- 1...Bf6
- 2.Qf8#
- 2.Qxf6#
- 1...Bf8
- 2.Qxf8#
- 1...Bxh6!
- 1...Ba1
- 1.Qg1?
- 1...Ba1
- 2.Qxa1#
- 2.Qg8#
- 1...Bb2
- 2.Qg8#
- 1...Bc3
- 2.Bxc3#
- 2.Qg8#
- 1...Bd4
- 2.Qxd4#
- 2.Qg8#
- 1...Be5
- 2.Qg8#
- 1...Bf6
- 2.Qg8#
- 1...Bh6
- 2.Qg8#
- 1...Bf8
- 2.Qg8#
- 1...h6!
- 1...Ba1
- 1.Qc3?
- 1...Bxc3
- 2.Bxc3#
- 1...Bd4
- 2.Qxd4#
- 1...Be5
- 2.Qxe5#
- 1...Bf6
- 2.Qxf6#
- 1...h6!
- 1...Bxc3
- 1.Qg5?
- Keys
- 1.Bc3!
- 1...Bxc3
- 2.Qxc3#
- 1...Bd4
- 2.Bxd4#
- 1...Be5
- 2.Bxe5#
- 1...Bf6
- 2.Bxf6#
- 1...h6
- 2.Qxh6#
- 1...Bxc3
- 1.Bc3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- B(a);OGATEB::QAB(A),XB(a)
- Tries
- Try
- Q(A);
- Vars
- B(a);OGATE::QAR1(A)
- Refutation
- P(b);
- Try
- Q(A);P_PINP(b)
- Vars
- B(a);OGATE::QAR2(A)
- B(a);OGATE::QAR2(A),XB(a)
- Refutation
- B(a);N_SPINP(b),XQ(A)
- Try
- Q(A);
- Vars
- B(a);OGATE::QAR1(A)
- Refutation
- P(b);
- Try
- Q(A);P_PINB(a)
- Vars
- B(a);N_SPINB(a),OGATE,XQ(A)::B(B),XB(a)
- B(a);OGATEB::QAB(A),XB(a)
- Refutation
- P(b);
- Try
- Actual
- B(B);P_PINB(a)
- Vars
- B(a);N_SPINB(a),OGATE,XB(B)::QAB(A),XB(a)
- B(a);OGATEB::B(B),XB(a)
- P(b);OGATEB::QAR2(A),XP(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).