MESON Chess Problem Database
Problem Display
PID: 28690 (Q7/P5b1/8/8/1R6/8/8/k6K w - - 0 1)
Duciaume, Eric
Apprenti Sorcier, 1994
#2
4 + 2
| 3248 | Miniatures canadiennes | 2000 |
| 3713 | Snap | 2002 |
SOLUTION
- SOUND
- Tries
- 1.Qg2?
- threat
- 2.a8Q#
- 2.a8R#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.a8Q#
- 2.a8R#
- 1...Be5
- 2.a8Q#
- 2.a8R#
- 1...Bf6
- 2.a8Q#
- 2.a8R#
- 1...Bh6
- 2.Qb2#
- 2.a8Q#
- 2.a8R#
- 1...Bf8
- 2.Qb2#
- 2.a8Q#
- 2.a8R#
- 1...Bh8
- 2.a8Q#
- 2.a8R#
- 1...Bd4!
- threat
- 1.Qf3?
- threat
- 2.Qa3#
- 2.a8Q#
- 2.a8R#
- 1...Ka2
- 2.a8Q#
- 2.a8R#
- 1...Bc3
- 2.a8Q#
- 2.a8R#
- 1...Bd4
- 2.Qa3#
- 1...Be5
- 2.Qa3#
- 2.a8Q#
- 2.a8R#
- 1...Bf6
- 2.Qa3#
- 2.a8Q#
- 2.a8R#
- 1...Bh6
- 2.Qa3#
- 2.a8Q#
- 2.a8R#
- 1...Bf8
- 2.Qa3#
- 2.a8Q#
- 2.a8R#
- 1...Bh8
- 2.Qa3#
- 2.a8Q#
- 2.a8R#
- 1...Bb2!
- threat
- 1.Qe4?
- threat
- 2.Qb1#
- 2.a8Q#
- 2.a8R#
- 1...Ka2
- 2.a8Q#
- 2.a8R#
- 1...Bc3
- 2.Qb1#
- 2.a8Q#
- 2.a8R#
- 1...Bd4
- 2.Qb1#
- 1...Be5
- 2.Qb1#
- 2.a8Q#
- 2.a8R#
- 1...Bf6
- 2.Qb1#
- 2.a8Q#
- 2.a8R#
- 1...Bh6
- 2.Qb1#
- 2.a8Q#
- 2.a8R#
- 1...Bf8
- 2.Qb1#
- 2.a8Q#
- 2.a8R#
- 1...Bh8
- 2.Qb1#
- 2.a8Q#
- 2.a8R#
- 1...Bb2!
- threat
- 1.Qd5?
- threat
- 2.Qa5#
- 2.a8Q#
- 2.a8R#
- 1...Bc3
- 2.Qa5#
- 2.a8Q#
- 2.a8R#
- 1...Bd4
- 2.Qa5#
- 1...Be5
- 2.Qa5#
- 2.a8Q#
- 2.a8R#
- 1...Bf6
- 2.Qa5#
- 2.a8Q#
- 2.a8R#
- 1...Bh6
- 2.Qa5#
- 2.a8Q#
- 2.a8R#
- 1...Bf8
- 2.Qa5#
- 2.a8Q#
- 2.a8R#
- 1...Bh8
- 2.Qa5#
- 2.a8Q#
- 2.a8R#
- 1...Bb2!
- threat
- 1.Qc6?
- threat
- 2.Qa4#
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Ka2
- 2.Qa4#
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bc3
- 2.Qa4#
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bd4
- 2.Qa4#
- 2.Qa6#
- 1...Be5
- 2.Qa4#
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bf6
- 2.Qa4#
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bh6
- 2.Qa4#
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bf8
- 2.Qa4#
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bh8
- 2.Qa4#
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bb2!
- threat
- 1.Qb7?
- threat
- 2.Ra4#
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Ka2
- 2.Ra4#
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bc3
- 2.Ra4#
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bd4
- 2.Ra4#
- 2.Qa6#
- 1...Be5
- 2.Ra4#
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bf6
- 2.Ra4#
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bh6
- 2.Ra4#
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bf8
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bh8
- 2.Ra4#
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bb2!
- threat
- 1.Qb8?
- threat
- 2.Ra4#
- 2.a8Q#
- 2.a8R#
- 1...Ka2
- 2.Ra4#
- 2.a8Q#
- 2.a8R#
- 1...Bc3
- 2.Ra4#
- 2.a8Q#
- 2.a8R#
- 1...Bd4
- 2.Ra4#
- 1...Be5
- 2.Ra4#
- 2.a8Q#
- 2.a8R#
- 1...Bf6
- 2.Ra4#
- 2.a8Q#
- 2.a8R#
- 1...Bh6
- 2.Ra4#
- 2.a8Q#
- 2.a8R#
- 1...Bf8
- 2.a8Q#
- 2.a8R#
- 1...Bh8
- 2.Ra4#
- 2.a8Q#
- 2.a8R#
- 1...Bb2!
- threat
- 1.Qc8?
- threat
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Ka2
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bc3
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bd4
- 2.Qa6#
- 1...Be5
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bf6
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bh6
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bf8
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bh8
- 2.Qa6#
- 2.a8Q#
- 2.a8R#
- 1...Bb2!
- threat
- 1.Qd8?
- threat
- 2.Qa5#
- 2.a8Q#
- 2.a8R#
- 1...Ka2
- 2.Qa5#
- 2.a8Q#
- 2.a8R#
- 1...Bc3
- 2.Qa5#
- 2.a8Q#
- 2.a8R#
- 1...Bd4
- 2.Qa5#
- 1...Be5
- 2.Qa5#
- 2.a8Q#
- 2.a8R#
- 1...Bf6
- 2.Qa5#
- 2.a8Q#
- 2.a8R#
- 1...Bh6
- 2.Qa5#
- 2.a8Q#
- 2.a8R#
- 1...Bf8
- 2.Qa5#
- 2.a8Q#
- 2.a8R#
- 1...Bh8
- 2.Qa5#
- 2.a8Q#
- 2.a8R#
- 1...Bb2!
- threat
- 1.Qe8?
- threat
- 2.Qa4#
- 2.a8Q#
- 2.a8R#
- 1...Ka2
- 2.Qa4#
- 2.a8Q#
- 2.a8R#
- 1...Bc3
- 2.Qa4#
- 2.a8Q#
- 2.a8R#
- 1...Bd4
- 2.Qa4#
- 1...Be5
- 2.Qa4#
- 2.a8Q#
- 2.a8R#
- 1...Bf6
- 2.Qa4#
- 2.a8Q#
- 2.a8R#
- 1...Bh6
- 2.Qa4#
- 2.a8Q#
- 2.a8R#
- 1...Bf8
- 2.Qa4#
- 2.a8Q#
- 2.a8R#
- 1...Bh8
- 2.Qa4#
- 2.a8Q#
- 2.a8R#
- 1...Bb2!
- threat
- 1.Qg2?
- Keys
- 1.Qh8!
- threat
- 2.a8Q#
- 2.a8R#
- 1...Ka2
- 2.a8Q#
- 2.a8R#
- 1...Bxh8
- 2.a8Q#
- 2.a8R#
- 1...Bb2
- 2.Qxb2#
- 1...Bd4
- 2.a8Q#
- 2.a8R#
- 1...Bc3
- 2.a8Q#
- 2.a8R#
- 1...Be5
- 2.a8Q#
- 2.a8R#
- 1...Bf6
- 2.a8Q#
- 2.a8R#
- threat
- 1.Qh8!
Anticipated by 10448(1964)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(D);
- Threat
- P=Q
- Vars
- B(b);N_GUARD::QAB1(D),XB(b)
- B(b);::P=Q
- Refutation
- B(b);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- K(a);P-FLIGHT::P=Q
- B(b);::P=Q
- B(b);::QAR2(D)
- Refutation
- B(b);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- K(a);P-FLIGHT::P=Q
- B(b);::QAR1(D)
- Refutation
- B(b);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- B(b);::QAR(D)
- Refutation
- B(b);
- Try
- Q(D);
- Threat
- DUALS(4)
- Refutation
- B(b);
- Try
- Q(D);
- Threat
- DUALS(4)
- Refutation
- B(b);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- B(b);::R(B)
- B(b);::P=Q
- Refutation
- B(b);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- B(b);::QAR(D)
- Refutation
- B(b);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- B(b);::QAR(D)
- Refutation
- B(b);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- B(b);::QAR(D)
- Refutation
- B(b);
- Try
- Actual
- Q(D);P_PINB(b)
- Threat
- P=Q
- Vars
- K(a);N_SPINB(b),P-FLIGHT::P=Q
- B(b);N_SPINB(b),XQ(D)::P=Q
- B(b);OGATE::QAB1(D),XB(b)
- B(b);::P=Q
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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