MESON Chess Problem Database
Problem Display
PID: 229324 (8/8/B7/B7/3pQ2K/8/5kp1/8 w - - 0 1)
Maleika, Gerhard
Deutsche Schachzeitung, 1988
#2
4 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Be1#
- 1...g1B
- 2.Be1#
- 2.Qe2#
- 1...g1R
- 2.Qe2#
- 1...g1Q
- Tries
- 1.Bc7?
- 1...Kg1
- 2.Qe1#
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Bg3#
- 1...g1B
- 2.Bg3#
- 2.Qe2#
- 1...g1R
- 2.Qe2#
- 1...d3!
- 1...Kg1
- 1.Bd3?
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Be1#
- 1...g1B
- 2.Be1#
- 2.Qe2#
- 1...g1R
- 2.Qe2#
- 1...Kg1!
- 1...g1Q
- 1.Qxg2+?
- 1...Ke3
- 2.Bd2#
- 1...Kxg2!
- 1...Ke3
- 1.Qd3?
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Qg3#
- 1...g1B
- 2.Qe2#
- 2.Qg3#
- 1...g1R
- 2.Qe2#
- 1...Kg1!
- 1...g1Q
- 1.Bc7?
- Keys
- 1.Bb7!
- threat
- 2.Qe1#
- 1...Kf1
- 2.Qxg2#
- 2.Qe1#
- 1...Kg1
- 2.Qxg2#
- 1...g1Q
- 2.Qf3#
- 1...g1R
- 2.Qf3#
- threat
- 1.Bb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- P(b);SBLOCK::QAR1(A)
- P(b);SBLOCK::B(C)
- Tries
- Try
- B(C);
- Vars
- K(a);S_FLIGHT::QAR2(A)
- P(b);SBLOCK::QAR1(A)
- P(b);SBLOCK::B(C)
- Refutation
- P(c);
- Try
- B(D);
- Vars
- P(b);SBLOCK::QAR1(A)
- P(b);SBLOCK::B(C)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(A);CHECK,XP(b)
- Vars
- K(a);S_FLIGHT::B(C)
- Refutation
- K(a);P-FLIGHT,XQ(A)
- Try
- Q(A);
- Vars
- P(b);SBLOCK::QAR1(A)
- P(b);::QAB1(A)
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- B(D);
- Threat
- QAB1(A)
- Vars
- K(a);S_FLIGHT::QAR1(A),XP(b)
- P(b);SBLOCK::QAR1(A)
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).