MESON Chess Problem Database
Problem Display
PID: 213409 (8/8/8/8/2p5/Q3B3/b1k1K3/8 w - - 0 1)
Notaro, Rosario
Land og Folk, 1977
#2
3 + 3
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kb1
- 2.Qc1#
- 1...Bb3
- 2.Qc1#
- 1...c3
- 2.Qxa2#
- 1...Kb1
- Tries
- 1.Bc1?
- threat
- 2.Qb2#
- 1...Kb1
- 2.Qb2#
- 1...c3!
- threat
- 1.Bd4?
- threat
- 2.Qb2#
- 1...Kb1
- 2.Qb2#
- 1...c3!
- threat
- 1.Bf4?
- 1...Kb1
- 2.Qc1#
- 1...Bb3
- 2.Qc1#
- 1...c3
- 2.Qxa2#
- 1...Bb1!
- 1...Kb1
- 1.Bg5?
- 1...Kb1
- 2.Qc1#
- 1...Bb3
- 2.Qc1#
- 1...c3
- 2.Qxa2#
- 1...Bb1!
- 1...Kb1
- 1.Bh6?
- 1...Kb1
- 2.Qc1#
- 1...Bb3
- 2.Qc1#
- 1...c3
- 2.Qxa2#
- 1...Bb1!
- 1...Kb1
- 1.Qc3+?
- 1...Kb1
- 2.Qc1#
- 1...Kxc3!
- 1...Kb1
- 1.Bc1?
- Keys
- 1.Bd2!
- threat
- 2.Qxa2#
- 1...Kb1
- 2.Qc1#
- 1...Bb1
- 2.Qc3#
- 1...Bb3
- 2.Qc1#
- threat
- 1.Bd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(b);S_FLIGHT::QAR1(B)
- B(a);SBLOCK::QAR1(B)
- P(c);SBLOCK::QAR2(B),XB(a)
- Tries
- Try
- B(C);
- Threat
- QAR1(B)
- Vars
- K(b);S_FLIGHT::QAR1(B)
- Refutation
- P(c);
- Try
- B(C);
- Threat
- QAR1(B)
- Vars
- K(b);S_FLIGHT::QAR1(B)
- Refutation
- P(c);
- Try
- B(C);
- Vars
- K(b);S_FLIGHT::QAR1(B)
- B(a);SBLOCK::QAR1(B)
- P(c);SBLOCK::QAR2(B),XB(a)
- Refutation
- B(a);
- Try
- B(C);
- Vars
- K(b);S_FLIGHT::QAR1(B)
- B(a);SBLOCK::QAR1(B)
- P(c);SBLOCK::QAR2(B),XB(a)
- Refutation
- B(a);
- Try
- B(C);
- Vars
- K(b);S_FLIGHT::QAR1(B)
- B(a);SBLOCK::QAR1(B)
- P(c);SBLOCK::QAR2(B),XB(a)
- Refutation
- B(a);
- Try
- Q(B);CHECK
- Vars
- K(b);OGATE,S_FLIGHT::QAR1(B)
- Refutation
- K(b);P-FLIGHT,XQ(B)
- Try
- Actual
- B(C);
- Threat
- QAR2(B),XB(a)
- Vars
- K(b);S_FLIGHT::QAR1(B)
- B(a);SBLOCK::QAR1(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).