MESON Chess Problem Database
Problem Display
PID: 138752 (7K/3Pp3/4pk1B/2P2p1P/6B1/2PP4/3Q4/5R2 w - - 0 1)
Agostini, Valerio
StrateGems, 2010
#2
10 + 4
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...f4
- 2.Qxf4#
- 1...f4
- Tries
- 1.Qf4?
- 1...e5
- 2.Qxf5#
- 1...Kf7!
- 1...e5
- 1.Qg5+?
- 1...Kf7
- 2.Qg6#
- 2.Qg7#
- 1...Ke5!
- 1...Kf7
- 1.Qf2?
- 1...Ke5
- 2.Qd4#
- 1...e5
- 2.Qxf5#
- 1...f4
- 2.Qxf4#
- 1...Kf7!
- 1...Ke5
- 1.d8Q?
- 1...Ke5
- 2.Bg7#
- 2.Qd4#
- 1...Kf7
- 2.Qf8#
- 1...f4
- 2.Qxf4#
- 1...e5!
- 1...Ke5
- 1.d8S?
- threat
- 2.Bg7#
- 1...f4
- 2.Qxf4#
- 1...Ke5!
- threat
- 1.d8R?
- 1...Ke5
- 2.Bg7#
- 1...Kf7
- 2.Rf8#
- 1...f4
- 2.Qxf4#
- 1...e5!
- 1...Ke5
- 1.Qf4?
- Keys
- 1.Qa2!
- 1...Ke5
- 2.Bg7#
- 1...Kf7
- 2.Rxf5#
- 1...e5
- 2.Rxf5#
- 1...f4
- 2.Qxe6#
- 1...Ke5
- 1.Qa2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- P(a);OGATEB::QAR2(B),XP(a)
- Tries
- Try
- Q(B);
- Vars
- P(b);N_GUARD::QAR1(B),XP(a)
- Refutation
- K(c);P-FLIGHT
- Try
- Q(B);CHECK
- Refutation
- K(c);S_FLIGHT
- Try
- Q(B);
- Vars
- K(c);N_SPINP(a),S_FLIGHT::QAB1(B)
- P(b);N_GUARD::QAR1(B),XP(a)
- P(a);OGATEB::QAR2(B),XP(a)
- Refutation
- K(c);P-FLIGHT
- Try
- P(I);
- Vars
- K(c);P-FLIGHT::QAR1(I)
- P(a);OGATEB::QAR2(B),XP(a)
- Refutation
- P(b);
- Try
- P(I);
- Threat
- B(H)
- Vars
- P(a);OGATEB::QAR2(B),XP(a)
- Refutation
- K(c);N_SPINP(a),S_FLIGHT
- Try
- P(I);
- Vars
- K(c);N_SPINP(a),S_FLIGHT::B(H)
- K(c);P-FLIGHT::R1(I)
- P(a);OGATEB::QAR2(B),XP(a)
- Refutation
- P(b);
- Try
- Actual
- Q(B);
- Vars
- K(c);N_SPINP(a),S_FLIGHT::B(H)
- K(c);P-FLIGHT::R(A),XP(a)
- P(b);N_GUARD::R1(A),XP(a)
- P(a);::QAR1(B),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).