MESON Chess Problem Database
Problem Display
PID: 45258 (6rR/4QNk1/4P3/6K1/8/8/8/8 w - - 0 1)
Beal, Edward W
The Problemist, 1968
#2
5 + 2
| 3295 | Einfuhrung in die Welt des Schachproblem | 1984 |
SOLUTION
- SOUND
- Sets
- 1...Ra8
- 2.Qf6#
- 1...Rb8
- 2.Qf6#
- 1...Rc8
- 2.Qf6#
- 1...Rd8
- 2.Qf6#
- 1...Re8
- 2.Qf6#
- 1...Rf8
- 2.Qf6#
- 2.Qxf8#
- 1...Rxh8
- 2.Sh6#
- 1...Ra8
- Tries
- 1.Kf4?
- 1...Kg6
- 2.Se5#
- 2.Qg5#
- 1...Ra8
- 2.Qg5#
- 1...Rb8
- 2.Qg5#
- 1...Rc8
- 2.Qg5#
- 1...Rd8
- 2.Qg5#
- 1...Re8
- 2.Qg5#
- 1...Rf8
- 2.Qg5#
- 1...Rxh8!
- 1...Kg6
- 1.Kg4?
- 1...Kg6
- 2.Se5#
- 2.Qg5#
- 1...Ra8
- 2.Qg5#
- 1...Rb8
- 2.Qg5#
- 1...Rc8
- 2.Qg5#
- 1...Rd8
- 2.Qg5#
- 1...Re8
- 2.Qg5#
- 1...Rf8
- 2.Qg5#
- 1...Rxh8!
- 1...Kg6
- 1.Kh4?
- 1...Kg6
- 2.Qg5#
- 1...Ra8
- 2.Qg5#
- 1...Rb8
- 2.Qg5#
- 1...Rc8
- 2.Qg5#
- 1...Rd8
- 2.Qg5#
- 1...Re8
- 2.Qg5#
- 1...Rf8
- 2.Qg5#
- 1...Rxh8+!
- 1...Kg6
- 1.Kf5?
- 1...Ra8
- 2.Qg5#
- 2.Qf6#
- 1...Rb8
- 2.Qg5#
- 2.Qf6#
- 1...Rc8
- 2.Qg5#
- 2.Qf6#
- 1...Rd8
- 2.Qg5#
- 2.Qf6#
- 1...Re8
- 2.Qg5#
- 2.Qf6#
- 1...Rf8
- 2.Qg5#
- 2.Qf6#
- 2.Qxf8#
- 1...Rxh8!
- 1...Ra8
- 1.Rxg8+?
- 1...Kh7
- 2.Sh6#
- 1...Kxg8!
- 1...Kh7
- 1.Qc5?
- 1...Ra8
- 2.Qd4#
- 2.Qc3#
- 2.Qe5#
- 1...Rb8
- 2.Qd4#
- 2.Qc3#
- 2.Qe5#
- 1...Rc8
- 2.Qd4#
- 2.Qe5#
- 1...Rd8
- 2.Qe5#
- 1...Re8
- 2.Qd4#
- 2.Qc3#
- 2.Qe5#
- 1...Rf8
- 2.Qd4#
- 2.Qxf8#
- 2.Qc3#
- 2.Qe5#
- 1...Rxh8!
- 1...Ra8
- 1.Qd6?
- 1...Ra8
- 2.Qe5#
- 2.Qd4#
- 1...Rb8
- 2.Qe5#
- 2.Qd4#
- 1...Rc8
- 2.Qe5#
- 2.Qd4#
- 1...Rd8
- 2.Qe5#
- 1...Re8
- 2.Qe5#
- 2.Qd4#
- 1...Rf8
- 2.Qe5#
- 2.Qxf8#
- 2.Qd4#
- 1...Rxh8!
- 1...Ra8
- 1.Qd8?
- threat
- 2.Qxg8#
- 1...Rxh8
- 2.Qxh8#
- 1...Re8
- 2.Qf6#
- 2.Qd4#
- 1...Rf8
- 2.Qf6#
- 2.Qd4#
- 2.Qxf8#
- 1...Rxd8!
- threat
- 1.Qe8?
- threat
- 2.Qxg8#
- 1...Rxh8
- 2.Qxh8#
- 1...Rf8
- 2.Qxf8#
- 1...Rxe8!
- threat
- 1.Kf4?
- Keys
- 1.Kh5!
- 1...Rxh8+
- 2.Sh6#
- 1...Ra8
- 2.Qg5#
- 1...Rb8
- 2.Qg5#
- 1...Rc8
- 2.Qg5#
- 1...Rd8
- 2.Qg5#
- 1...Re8
- 2.Qg5#
- 1...Rf8
- 2.Qg5#
- 1...Rxh8+
- 1.Kh5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(b);::QAB1(C)
- R(b);SBLOCK,XR(E)::QAR(C)+S(D)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- R(b);::QAR2(C)
- R(b);P_PINS(D)::QAR2(C)
- Refutation
- R(b);XR(E)
- Try
- K(A);P-FLIGHT
- Vars
- R(b);::QAR2(C)
- Refutation
- R(b);XR(E)
- Try
- K(A);S_FLIGHT
- Vars
- K(a);P-FLIGHT::QAR1(C)
- R(b);::QAR2(C)
- Refutation
- R(b);CHECK,XR(E)
- Try
- K(A);P-FLIGHT
- Refutation
- R(b);XR(E)
- Try
- R(E);CHECK,XR(b)
- Vars
- K(a);P-FLIGHT::QAR(C)+S(D)
- Refutation
- K(a);P-FLIGHT,XR(E)
- Try
- Q(C);
- Vars
- R(b);::QAB(C)
- Refutation
- R(b);XR(E)
- Try
- Q(C);
- Vars
- R(b);::QAB(C)
- Refutation
- R(b);XR(E)
- Try
- Q(C);
- Threat
- QAR1(C),XR(b)
- Vars
- R(b);OGATE,XR(E)::QAB1(C),XR(b)
- Refutation
- R(b);XQ(C)
- Try
- Q(C);
- Threat
- QAR1(C),XR(b)
- Vars
- R(b);OGATE,XR(E)::QAB1(C),XR(b)
- R(b);N_GUARD::QAB1(C),XR(b)
- Refutation
- R(b);XQ(C)
- Try
- Actual
- K(A);P-FLIGHT
- Vars
- R(b);CHECK,SBLOCK,XR(E)::QAR(C)+S(D)
- R(b);::QAR2(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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