MESON Chess Problem Database
Problem Display
PID: 178719 (8/3p4/3P4/1p1pp3/1Pk1p3/2P1b1Q1/KP2P3/8 w - - 0 1)
Maleika, Gerhard
5th Comm., Problem Observer Block-Threat Ty., 2009-2010
#2
7 + 7
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.b3#
- 1...Bg1
- 2.b3#
- 1...Bd2
- 2.b3#
- 1...Bf2
- 2.b3#
- 1...Bd4
- 2.b3#
- 1...Bf4
- 2.b3#
- 1...Bc5
- 2.b3#
- 1...Bg5
- 2.b3#
- 1...Bb6
- 2.b3#
- 1...Bh6
- 2.b3#
- 1...Ba7
- 2.b3#
- 1...d4
- 2.Qg8#
- 1...Bc1
- Tries
- 1.Ka3?
- 1...d4
- 2.Qg8#
- 1...Bg1
- 2.b3#
- 1...Bd2
- 2.b3#
- 1...Bf2
- 2.b3#
- 1...Bd4
- 2.b3#
- 1...Bf4
- 2.b3#
- 1...Bc5
- 2.b3#
- 1...Bg5
- 2.b3#
- 1...Bb6
- 2.b3#
- 1...Bh6
- 2.b3#
- 1...Ba7
- 2.b3#
- 1...Bc1!
- 1...d4
- 1.Qf3?
- 1...d4
- 2.Qf7#
- 1...Bc1
- 2.b3#
- 1...Bg1
- 2.b3#
- 1...Bd2
- 2.b3#
- 1...Bf2
- 2.b3#
- 1...Bd4
- 2.b3#
- 1...Bf4
- 2.b3#
- 1...Bc5
- 2.b3#
- 1...Bg5
- 2.b3#
- 1...Bb6
- 2.b3#
- 1...Bh6
- 2.b3#
- 1...Ba7
- 2.b3#
- 1...exf3!
- 1...d4
- 1.Qh3?
- 1...Bc1
- 2.b3#
- 1...Bg1
- 2.b3#
- 1...Bd2
- 2.b3#
- 1...Bf2
- 2.b3#
- 1...Bd4
- 2.b3#
- 1...Bf4
- 2.b3#
- 1...Bc5
- 2.b3#
- 1...Bg5
- 2.b3#
- 1...Bb6
- 2.b3#
- 1...Bh6
- 2.b3#
- 1...Ba7
- 2.b3#
- 1...d4!
- 1...Bc1
- 1.Ka3?
- Keys
- 1.Qxe5!
- threat
- 2.b3#
- 1...Bd4
- 2.Qxd4#
- 1...d4
- 2.Qc5#
- threat
- 1.Qxe5!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 10
- Sets
- B(a);::P(B)
- P(e);OGATEB::QAB(E)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- P(e);OGATEB::QAB(E)
- B(a);::P(B)
- B(a);P_PINP(F)::P(B)
- Refutation
- B(a);P_PINP(B)
- Try
- Q(E);
- Vars
- P(e);OGATEB::QAB(E)
- B(a);::P(B)
- Refutation
- P(c);XQ(E)
- Try
- Q(E);
- Vars
- B(a);::P(B)
- Refutation
- P(e);
- Try
- Actual
- Q(E);XP(f)
- Threat
- P(B)
- Vars
- B(a);N_GUARD::QAR1(E),XB(a)
- P(e);OGATE::QAR1(E)
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).