MESON Chess Problem Database
Problem Display
PID: 168421 (8/B1Q4p/3P2pN/1R1bp1P1/Kn1pkP2/1p3R2/1P2P3/8 w - - 0 1)
Petite, Efren
1st Comm., Vratnica-64, 2001
#2
11 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bc4
- 2.Rxe5#
- 1...Be6
- 2.Rxe5#
- 1...Bb7
- 2.Rxe5#
- 1...Bf7
- 2.Rxe5#
- 1...Ba8
- 2.Rxe5#
- 1...Bg8
- 2.Rxe5#
- 1...Bc4
- Tries
- 1.Qc4?
- 1...Bxc4
- 2.Rxe5#
- 1...exf4
- 2.Qxd4#
- 1...Be6
- 2.Rxe5#
- 1...Bb7
- 2.Rxe5#
- 1...Bf7
- 2.Rxe5#
- 1...Ba8
- 2.Rxe5#
- 1...Bg8
- 2.Rxe5#
- 1...Sa2
- 2.Qd3#
- 2.Qxd5#
- 1...Sc2
- 2.Qd3#
- 2.Qxd5#
- 1...Sd3
- 2.Qxd3#
- 2.Qxd5#
- 1...Sa6
- 2.Qd3#
- 2.Qxd5#
- 1...Sc6
- 2.Qd3#
- 2.Qxd5#
- 1...Bc6!
- 1...Bxc4
- 1.Qf7?
- 1...Bxf7
- 2.Rxe5#
- 1...exf4
- 2.Qxf4#
- 1...Bc4
- 2.Rxe5#
- 1...Be6
- 2.Rxe5#
- 1...Bb7
- 2.Rxe5#
- 1...Ba8
- 2.Rxe5#
- 1...Sa2
- 2.Qxd5#
- 1...Sc2
- 2.Qxd5#
- 1...Sd3
- 2.Qxd5#
- 1...Sa6
- 2.Qxd5#
- 1...Sc6
- 2.Qxd5#
- 1...d3
- 2.Re3#
- 1...Bc6!
- 1...Bxf7
- 1.Qxh7?
- threat
- 2.Qxg6#
- 1...Be6
- 2.Rxe5#
- 1...Bf7
- 2.Rxe5#
- 1...exf4!
- threat
- 1.Qc4?
- Keys
- 1.Qc5!
- 1...exf4
- 2.Qxd4#
- 1...Bc6
- 2.Qxe5#
- 1...Bc4
- 2.Qxe5#
- 1...Be6
- 2.Qxe5#
- 1...Bb7
- 2.Qxe5#
- 1...Bf7
- 2.Qxe5#
- 1...Ba8
- 2.Qxe5#
- 1...Bg8
- 2.Qxe5#
- 1...Sa2
- 2.Qxd5#
- 1...Sc2
- 2.Qxd5#
- 1...Sd3
- 2.Qxd5#
- 1...Sa6
- 2.Qxd5#
- 1...Sc6
- 2.Qxd5#
- 1...d3
- 2.Qe3#
- 1...exf4
- 1.Qc5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 6
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- B(e);OGATE::R1(F),XP(f)
- Tries
- Try
- Q(K);P_PINP(c)
- Vars
- B(e);N_SPINP(c),OGATE,XQ(K)::R1(F),XP(f)
- P(f);N_GUARD,XP(E)::QAR1(K),XP(c)
- B(e);OGATE::R1(F),XP(f)
- Refutation
- B(e);P_PINR(F)
- Try
- Q(K);
- Vars
- B(e);OGATE,XQ(K)::R1(F),XP(f)
- P(f);OGATE,XP(E)::QAR1(K),XP(f)
- B(e);OGATE::R1(F),XP(f)
- S(b);N_GUARD::QAB1(K),XB(e)
- P(c);N_GUARD::R1(C)
- Refutation
- B(e);P_PINR(F)
- Try
- Q(K);P_PINP(g),XP(h)
- Threat
- QAB(K),XP(g)
- Vars
- B(e);OGATE::R1(F),XP(f)
- Refutation
- P(f);XP(E)
- Try
- Actual
- Q(K);
- Vars
- P(f);N_GUARD,XP(E)::QAR1(K),XP(c)
- B(e);OGATE,P_PINR(F)::QAR1(K),XP(f)
- B(e);OGATE::QAR1(K),XP(f)
- S(b);N_GUARD::QAB1(K),XB(e)
- P(c);OGATE::QAR1(K)
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).