MESON Chess Problem Database
Problem Display
PID: 107754 (2NR3r/2p2P2/5kPp/3b1P2/6P1/4BP2/4R2Q/4K3 w - - 0 1)
Boivin, CA
Courrier de St-Hyacinthe, 1900
#2
11 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kg7
- 2.Bd4#
- 2.Qe5#
- 1...Re8
- 2.fxe8S#
- 1...Kg7
- Tries
- 1.Bc1?
- threat
- 2.Qe5#
- 1...Kg7
- 2.Bb2#
- 2.Qe5#
- 1...Re8
- 2.fxe8S#
- 1...Be4!
- threat
- 1.Bd2?
- threat
- 2.Qe5#
- 1...Kg7
- 2.Bc3#
- 2.Qe5#
- 1...Re8
- 2.fxe8S#
- 1...Be4!
- threat
- 1.Bg5+?
- 1...Kg7
- 2.Qe5#
- 1...hxg5
- 2.Qe5#
- 2.Qxh8#
- 1...Kxg5!
- 1...Kg7
- 1.Rxd5?
- threat
- 2.Qe5#
- 1...Re8
- 2.fxe8S#
- 1...Kg7!
- threat
- 1.Re8?
- threat
- 2.Qe5#
- 1...Kg7
- 2.Bd4#
- 2.Qe5#
- 1...Rxe8
- 2.fxe8S#
- 1...Be6!
- threat
- 1.Qf4?
- threat
- 2.Bd4#
- 2.Qd4#
- 1...Kg7
- 2.Bd4#
- 2.Qe5#
- 2.Qd4#
- 1...Be4
- 2.Bd4#
- 1...Re8
- 2.fxe8S#
- 1...c5!
- threat
- 1.Qd6+?
- 1...Kg7
- 2.Bd4#
- 2.Qe5#
- 1...Be6
- 2.Qd4#
- 1...cxd6!
- 1...Kg7
- 1.Qh4+?
- 1...Kg7
- 2.Bd4#
- 1...Ke5!
- 1...Kg7
- 1.Qxh6?
- threat
- 2.Bd4#
- 2.Bg5#
- 2.Qxh8#
- 1...Ke5
- 2.Qg7#
- 2.Qxh8#
- 1...Rxd8
- 2.Bd4#
- 2.Bg5#
- 1...Be4
- 2.Bd4#
- 2.Qxh8#
- 1...Rh7
- 2.Bd4#
- 2.Bg5#
- 1...Re8
- 2.Bg5#
- 1...Rf8
- 2.Bd4#
- 2.Bg5#
- 1...Rg8
- 2.Bd4#
- 2.Bg5#
- 1...c5
- 2.Bg5#
- 2.Qxh8#
- 1...Rxh6!
- threat
- 1.f4?
- threat
- 2.Bd4#
- 1...Kg7
- 2.Bd4#
- 1...Re8
- 2.fxe8S#
- 1...c5!
- threat
- 1.f8Q+?
- 1...Bf7
- 2.Qxf7#
- 2.Qxh8#
- 1...Rxf8!
- 1...Bf7
- 1.f8R+?
- 1...Kg7
- 2.Bd4#
- 2.Qe5#
- 1...Bf7
- 2.Rxf7#
- 1...Rxf8!
- 1...Kg7
- 1.Bc1?
- Keys
- 1.Ra2!
- threat
- 2.Qb2#
- 1...Kg7
- 2.Bd4#
- 2.Qe5#
- 2.Qb2#
- 1...Re8
- 2.fxe8S#
- threat
- 1.Ra2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(e);OGATE::PXR(e)=S
- Tries
- Try
- B(D);
- Threat
- QAB1(C)
- Vars
- R(e);OGATE,P_PINR(B)::PXR(e)=S
- Refutation
- B(a);
- Try
- B(D);
- Threat
- QAB1(C)
- Vars
- R(e);OGATE,P_PINR(B)::PXR(e)=S
- Refutation
- B(a);
- Try
- B(D);CHECK
- Vars
- K(b);S_FLIGHT::QAB(C)
- Refutation
- K(b);S_FLIGHT,XB(D)
- Try
- R(K);XB(a)
- Threat
- QAB1(C)
- Vars
- R(e);OGATE::PXR(e)=S
- Refutation
- K(b);S_FLIGHT
- Try
- R(K);
- Threat
- QAB1(C)
- Vars
- R(e);OGATE,XR(K)::PXR(e)=S
- Refutation
- B(a);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(a);::B(D)
- R(e);OGATE::PXR(e)=S
- Refutation
- P(d);
- Try
- Q(C);CHECK
- Vars
- B(a);OGATE,P_SPINB(a)::QAB(C)
- Refutation
- P(d);XQ(C)
- Try
- Q(C);CHECK
- Vars
- K(b);S_FLIGHT::B(D)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(C);XP(c)
- Threat
- DUALS(3)
- Vars
- R(e);::B(D)
- Refutation
- R(e);XQ(C)
- Try
- P(E);
- Threat
- B(D)
- Vars
- K(b);S_FLIGHT::B(D)
- R(e);OGATE::PXR(e)=S
- Refutation
- P(d);
- Try
- P(I);CHECK
- Refutation
- R(e);XQ(I)
- Try
- P(I);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::R1(I),XB(a)
- Refutation
- R(e);XR(I)
- Try
- Actual
- R(B);
- Threat
- QAB(C)
- Vars
- R(e);OGATE,P_PINB(D)::PXR(e)=S
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).