MESON Chess Problem Database
Problem Display
PID: 249565 (8/8/7p/6bR/2P1k3/4p2B/4P1K1/Q7 w - - 0 1)
Grzebeta, Jorg
Deutsche Schachzeitung, 1976
#2
6 + 4
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kf4
- 2.Qd4#
- 1...Bf4
- 2.Bf5#
- 1...Bh4
- 2.Rxh4#
- 2.Qe5#
- 1...Be7
- 2.Qe5#
- 1...Bd8
- 2.Qe5#
- 1...Kf4
- Tries
- 1.Kg3?
- 1...Bh4+
- 2.Rxh4#
- 1...Bf6
- 2.Bg2#
- 2.Bf5#
- 1...Be7
- 2.Bg2#
- 2.Bf5#
- 2.Re5#
- 2.Qe5#
- 1...Bd8
- 2.Bg2#
- 2.Bf5#
- 2.Re5#
- 2.Qe5#
- 1...Bf4+!
- 1...Bh4+
- 1.Bg4?
- 1...Kf4
- 2.Qd4#
- 1...Bf4
- 2.Bf3#
- 2.Bf5#
- 1...Bh4
- 2.Qe5#
- 1...Be7
- 2.Qe5#
- 1...Bd8
- 2.Qe5#
- 1...Bf6!
- 1...Kf4
- 1.Be6?
- 1...Kf4
- 2.Qd4#
- 1...Bf4
- 2.Bd5#
- 2.Bf5#
- 1...Bh4
- 2.Rxh4#
- 2.Qe5#
- 1...Be7
- 2.Qe5#
- 1...Bd8
- 2.Qe5#
- 1...Bf6!
- 1...Kf4
- 1.Bd7?
- 1...Kf4
- 2.Qd4#
- 1...Bf4
- 2.Bf5#
- 2.Bc6#
- 1...Bh4
- 2.Rxh4#
- 2.Qe5#
- 1...Be7
- 2.Qe5#
- 1...Bd8
- 2.Qe5#
- 1...Bf6!
- 1...Kf4
- 1.Bc8?
- 1...Kf4
- 2.Qd4#
- 1...Bf4
- 2.Bf5#
- 2.Bb7#
- 1...Bh4
- 2.Rxh4#
- 2.Qe5#
- 1...Be7
- 2.Qe5#
- 1...Bd8
- 2.Qe5#
- 1...Bf6!
- 1...Kf4
- 1.Rxg5?
- threat
- 2.Qe5#
- 1...Kf4
- 2.Qe5#
- 1...hxg5!
- threat
- 1.Qb2?
- 1...Kf4
- 2.Qd4#
- 1...Bf4
- 2.Bf5#
- 1...Bh4
- 2.Rxh4#
- 2.Qe5#
- 1...Be7
- 2.Qe5#
- 1...Bd8
- 2.Qe5#
- 1...Bf6!
- 1...Kf4
- 1.Qc3?
- 1...Kf4
- 2.Qd4#
- 1...Bf4
- 2.Bf5#
- 2.Qd3#
- 1...Bh4
- 2.Rxh4#
- 2.Qe5#
- 1...Be7
- 2.Qe5#
- 1...Bd8
- 2.Qe5#
- 1...Bf6!
- 1...Kf4
- 1.Qf6?
- 1...Bf4
- 2.Bf5#
- 1...Bh4
- 2.Rxh4#
- 2.Qxh4#
- 2.Qe5#
- 1...Bxf6!
- 1...Bf4
- 1.Qh8?
- 1...Kf4
- 2.Qd4#
- 1...Bf4
- 2.Bf5#
- 1...Bh4
- 2.Rxh4#
- 2.Qe5#
- 1...Be7
- 2.Qe5#
- 1...Bd8
- 2.Qe5#
- 1...Bf6!
- 1...Kf4
- 1.Kg3?
- Keys
- 1.Qg7!
- 1...Kf4
- 2.Qd4#
- 1...Bf6
- 2.Qg4#
- 1...Bf4
- 2.Bf5#
- 1...Bh4
- 2.Rxh4#
- 2.Qe5#
- 2.Qg4#
- 1...Be7
- 2.Qe5#
- 2.Qg4#
- 1...Bd8
- 2.Qe5#
- 2.Qg4#
- 1...Kf4
- 1.Qg7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- K(b);P-FLIGHT::QAR2(A)
- B(c);SBLOCK::B(D)
- B(c);::QAR1(A)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- B(c);CHECK,N_GUARD::R(F),XB(c)
- Refutation
- B(c);CHECK
- Try
- B(D);
- Vars
- K(b);P-FLIGHT::QAR2(A)
- B(c);::QAR1(A)
- Refutation
- B(c);
- Try
- B(D);
- Vars
- K(b);P-FLIGHT::QAR2(A)
- B(c);::QAR1(A)
- Refutation
- B(c);
- Try
- B(D);
- Vars
- K(b);P-FLIGHT::QAR2(A)
- B(c);::QAR1(A)
- Refutation
- B(c);
- Try
- B(D);
- Vars
- K(b);P-FLIGHT::QAR2(A)
- B(c);::QAR1(A)
- Refutation
- B(c);
- Try
- R(F);XB(c)
- Threat
- QAR1(A)
- Vars
- K(b);P-FLIGHT::QAB1(A)
- Refutation
- P(d);XR(F)
- Try
- Q(A);
- Vars
- K(b);P-FLIGHT::QAR2(A)
- B(c);SBLOCK::B(D)
- B(c);::QAR1(A)
- Refutation
- B(c);
- Try
- Q(A);
- Vars
- K(b);P-FLIGHT::QAR2(A)
- B(c);::QAR1(A)
- Refutation
- B(c);
- Try
- Q(A);
- Vars
- B(c);SBLOCK::B(D)
- Refutation
- B(c);XQ(A)
- Try
- Q(A);
- Vars
- K(b);P-FLIGHT::QAR2(A)
- B(c);SBLOCK::B(D)
- B(c);::QAR1(A)
- Refutation
- B(c);
- Try
- Actual
- Q(A);
- Vars
- K(b);P-FLIGHT::QAR2(A)
- B(c);OGATE::QAR2(A)
- B(c);SBLOCK::B(D)
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).