MESON Chess Problem Database
Problem Display
PID: 170493 (6R1/2B5/K7/8/8/8/3PR1qN/6kb w - - 0 1)
Hoffmann, Martin Wolfgang
Basler Nachrichten, 1971
#2
6 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qg3
- 2.Bb6#
- 1...Qg4
- 2.Bb6#
- 1...Qg5
- 2.Bb6#
- 1...Qg6+
- 2.Bb6#
- 1...Qg7
- 2.Bb6#
- 1...Qxg8
- 2.Bb6#
- 1...Qg3
- Tries
- 1.Ka5?
- 1...Qxg8
- 2.Bb6#
- 1...Qg3
- 2.Bb6#
- 1...Qg4
- 2.Bb6#
- 1...Qg6
- 2.Bb6#
- 1...Qg7
- 2.Bb6#
- 1...Qg5+!
- 1...Qxg8
- 1.Kb5?
- 1...Qxg8
- 2.Bb6#
- 1...Qg3
- 2.Bb6#
- 1...Qg4
- 2.Bb6#
- 1...Qg6
- 2.Bb6#
- 1...Qg7
- 2.Bb6#
- 1...Qg5+!
- 1...Qxg8
- 1.Ka7?
- 1...Qxg8
- 2.Bb6#
- 1...Qg3
- 2.Bb6#
- 1...Qg4
- 2.Bb6#
- 1...Qg5
- 2.Bb6#
- 1...Qg6
- 2.Bb6#
- 1...Qg7!
- 1...Qxg8
- 1.Bf4?
- 1...Qxg8
- 2.Be3#
- 1...Qg3
- 2.Be3#
- 1...Qg4
- 2.Be3#
- 1...Qg5
- 2.Be3#
- 1...Qg7
- 2.Be3#
- 1...Qg6+!
- 1...Qxg8
- 1.Ba5?
- 1...Qg6+
- 2.Bb6#
- 1...Qxg8
- 2.Bb6#
- 1...Qg3
- 2.Bb6#
- 1...Qg4
- 2.Bb6#
- 1...Qg5
- 2.Bb6#
- 1...Qg7
- 2.Bb6#
- 1...Kxh2!
- 1...Qg6+
- 1.Be5?
- 1...Qxg8
- 2.Bd4#
- 1...Qg3
- 2.Bd4#
- 1...Qg4
- 2.Bd4#
- 1...Qg5
- 2.Bd4#
- 1...Qg7
- 2.Bd4#
- 1...Qg6+!
- 1...Qxg8
- 1.Bd6?
- 1...Qxg8
- 2.Bc5#
- 1...Qg3
- 2.Bc5#
- 1...Qg4
- 2.Bc5#
- 1...Qg5
- 2.Bc5#
- 1...Qg7
- 2.Bc5#
- 1...Qg6!
- 1...Qxg8
- 1.Bb8?
- 1...Qxg8
- 2.Ba7#
- 1...Qg3
- 2.Ba7#
- 1...Qg4
- 2.Ba7#
- 1...Qg5
- 2.Ba7#
- 1...Qg7
- 2.Ba7#
- 1...Qg6+!
- 1...Qxg8
- 1.Bd8?
- 1...Qg6+
- 2.Bb6#
- 1...Qxg8
- 2.Bb6#
- 1...Qg3
- 2.Bb6#
- 1...Qg4
- 2.Bb6#
- 1...Qg5
- 2.Bb6#
- 1...Qg7
- 2.Bb6#
- 1...Kxh2!
- 1...Qg6+
- 1.Rg4?
- 1...Qg3
- 2.Bb6#
- 1...Qxg4!
- 1...Qg3
- 1.Rg5?
- 1...Qg3
- 2.Bb6#
- 1...Qg4
- 2.Bb6#
- 1...Qxg5!
- 1...Qg3
- 1.Rg6?
- 1...Qg3
- 2.Bb6#
- 1...Qg4
- 2.Bb6#
- 1...Qg5
- 2.Bb6#
- 1...Qxg6+!
- 1...Qg3
- 1.Rg7?
- 1...Qg6+
- 2.Bb6#
- 1...Qg3
- 2.Bb6#
- 1...Qg4
- 2.Bb6#
- 1...Qg5
- 2.Bb6#
- 1...Qxg7!
- 1...Qg6+
- 1.Ka5?
- Keys
- 1.d3!
- 1...Qg6+
- 2.Bb6#
- 1...Qxg8
- 2.Bb6#
- 1...Qg3
- 2.Bb6#
- 1...Qg4
- 2.Bb6#
- 1...Qg5
- 2.Bb6#
- 1...Qg7
- 2.Bb6#
- 1...Qg6+
- 1.d3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(c);::B(E)
- Q(c);CHECK::B(E)
- Q(c);N_SPINQ(c),XR(F)::B(E)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- Q(c);N_SPINQ(c),XR(F)::B(E)
- Q(c);::B(E)
- Refutation
- Q(c);CHECK
- Try
- K(D);S_FLIGHT
- Vars
- Q(c);N_SPINQ(c),XR(F)::B(E)
- Q(c);::B(E)
- Refutation
- Q(c);CHECK
- Try
- K(D);P-FLIGHT
- Vars
- Q(c);N_SPINQ(c),XR(F)::B(E)
- Q(c);::B(E)
- Refutation
- Q(c);P_PINB(E)
- Try
- B(E);
- Vars
- Q(c);N_SPINQ(c),XR(F)::B(E)
- Q(c);::B(E)
- Refutation
- Q(c);CHECK
- Try
- B(E);
- Vars
- Q(c);CHECK::B(E)
- Q(c);N_SPINQ(c),XR(F)::B(E)
- Q(c);::B(E)
- Refutation
- K(a);S_FLIGHT,XS(C)
- Try
- B(E);
- Vars
- Q(c);N_SPINQ(c),XR(F)::B(E)
- Q(c);::B(E)
- Refutation
- Q(c);CHECK
- Try
- B(E);
- Vars
- Q(c);N_SPINQ(c),XR(F)::B(E)
- Q(c);::B(E)
- Refutation
- Q(c);P_PINB(E)
- Try
- B(E);
- Vars
- Q(c);N_SPINQ(c),XR(F)::B(E)
- Q(c);::B(E)
- Refutation
- Q(c);CHECK
- Try
- B(E);
- Vars
- Q(c);CHECK::B(E)
- Q(c);N_SPINQ(c),XR(F)::B(E)
- Q(c);::B(E)
- Refutation
- K(a);S_FLIGHT,XS(C)
- Try
- R(F);
- Vars
- Q(c);::B(E)
- Refutation
- Q(c);N_SPINQ(c),XR(F)
- Try
- R(F);
- Vars
- Q(c);::B(E)
- Refutation
- Q(c);N_SPINQ(c),XR(F)
- Try
- R(F);
- Vars
- Q(c);::B(E)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XR(F)
- Try
- R(F);
- Vars
- Q(c);CHECK::B(E)
- Q(c);::B(E)
- Refutation
- Q(c);N_SPINQ(c),XR(F)
- Try
- Actual
- P(A);
- Vars
- Q(c);CHECK::B(E)
- Q(c);N_SPINQ(c),XR(F)::B(E)
- Q(c);::B(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).