MESON Chess Problem Database
Problem Display
PID: 139503 (2QqBB2/2PPP3/3kp1b1/nP3r2/K2PP3/8/8/8 w - - 0 1)
Kuzmichev, Vladimir Viktorovich
The Problemist, 2010
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Qxe7
- 2.d8Q#
- 2.d8R#
- 1...Qxd7
- 2.Qxd7#
- 1...Rxb5
- 2.exd8S#
- 1...Rc5
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Rd5
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Re5
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Rg5
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Rh5
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Bf7
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Qxe7
- Tries
- 1.Bf7?
- threat
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Qxc7
- 2.e8Q#
- 2.e8S#
- 2.e8B#
- 2.e8R#
- 1...Qxe7
- 2.d8Q#
- 2.d8R#
- 1...Qxd7
- 2.e8S#
- 1...Qxf8
- 2.exf8Q#
- 2.exf8B#
- 1...Rxb5
- 2.exd8S#
- 1...Rxf7
- 2.e8S#
- 1...Bxf7
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Qe8
- 2.dxe8S#
- 1...Rf1
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Rf2
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Rf3
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Rf4
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Rc5
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Rd5
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Re5
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Rg5
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Rh5
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Rf6
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Bh5
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Bh7
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Sb3
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Sc4
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Sc6
- 2.e8S#
- 1...Sb7
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...e5
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 2.e8S#
- 1...Qxc8!
- threat
- 1.Qa6+?
- 1...Sc6
- 2.Qxc6#
- 1...Kxc7!
- 1...Sc6
- 1.cxd8Q?
- threat
- 2.Qdc7#
- 2.Qcc7#
- 2.Qb8#
- 1...Rxb5
- 2.Qdc7#
- 2.Qcc7#
- 1...Rxf8
- 2.Qc5#
- 2.Qcc7#
- 2.Qb8#
- 2.exf8Q#
- 2.exf8B#
- 1...Rc5
- 2.Qxc5#
- 1...Sc6
- 2.Qdc7#
- 2.Qxc6#
- 2.Qcc7#
- 1...e5!
- threat
- 1.cxd8S?
- threat
- 2.Qb8#
- 1...Rxf8
- 2.Qc5#
- 2.exf8Q#
- 2.exf8B#
- 1...Bxe8
- 2.dxe8S#
- 1...Rc5
- 2.Qxc5#
- 1...Sc6
- 2.Sb7#
- 2.Qxc6#
- 1...Rxb5!
- threat
- 1.cxd8B?
- threat
- 2.Bc7#
- 2.Qc7#
- 2.Qb8#
- 1...Rxb5
- 2.Qc7#
- 1...Rxf8
- 2.Qc5#
- 2.Qc7#
- 2.Qb8#
- 2.exf8Q#
- 2.exf8B#
- 1...Bxe8
- 2.Bc7#
- 2.Qc7#
- 2.dxe8S#
- 1...Rc5
- 2.Qxc5#
- 1...Sc6
- 2.Bc7#
- 2.Qxc6#
- 2.Qc7#
- 1...e5!
- threat
- 1.Bf7?
- Keys
- 1.Qb8!
- threat
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- 1...Qxc7
- 2.d8Q#
- 2.d8R#
- 1...Qxe7
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 2.d8Q#
- 2.d8R#
- 1...Qxd7
- 2.c8S#
- 1...Qxb8
- 2.cxb8Q#
- 2.cxb8B#
- 1...Qxe8
- 2.c8Q#
- 2.c8B#
- 1...Rxb5
- 2.exd8S#
- 1...Rxf8
- 2.cxd8Q#
- 2.cxd8B#
- 2.c8S#
- 1...Bxe8
- 2.cxd8Q#
- 2.cxd8R#
- 1...e5
- 2.cxd8S#
- 1...Qc8
- 2.dxc8S#
- 1...Rf1
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- 1...Rf2
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- 1...Rf3
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- 1...Rf4
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- 1...Rc5
- 2.c8S#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Rd5
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Re5
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Rg5
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Rh5
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Rf6
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- 1...Rf7
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- 1...Bh5
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- 1...Bf7
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Bh7
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- 1...Sb3
- 2.Qb6#
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- 1...Sc4
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- 1...Sc6
- 2.c8S#
- 1...Sb7
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8S#
- threat
- 1.Qb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(f);OGATE,P_SPINQ(f),XP(G)::P=Q
- Q(f);OGATE,P_PINP(D),XP(F)::QAR1(H),XQ(f)
- R(b);N_GUARD,XP(D)::PXQ(f)=S
- Tries
- Try
- B(I);
- Threat
- DUALS(5)
- Vars
- Q(f);OGATE,P_SPINQ(f),XP(G)::P=Q
- Q(f);N_GUARD,P_PINP(D),XP(F)::P=S
- Q(f);OGATE,XB(J)::PXQ(f)=Q
- R(b);XP(D)::PXQ(f)=S
- R(b);XB(I)::P=S
- Q(f);OGATE::PXQ(f)=S
- S(a);::P=S
- Refutation
- Q(f);XQ(H)
- Try
- Q(H);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAR1(H),XS(a)
- Refutation
- K(c);S_FLIGHT,XP(E)
- Try
- P(E);XQ(f)
- Threat
- DUALS(3)
- Vars
- R(b);N_GUARD::QAB1(H),XR(b)
- Refutation
- P(d);
- Try
- P(E);XQ(f)
- Threat
- QAB(H)
- Vars
- B(e);OGATE,XB(I)::PXB(e)=S
- R(b);N_GUARD::QAB1(H),XR(b)
- Refutation
- R(b);XP(D)
- Try
- P(E);XQ(f)
- Threat
- DUALS(3)
- Vars
- R(b);XP(D)::QAB1(H)
- R(b);N_GUARD::QAB1(H),XR(b)
- Refutation
- P(d);
- Try
- Actual
- Q(H);
- Threat
- DUALS(5)
- Vars
- Q(f);OGATE,P_SPINQ(f),XP(E)::P=Q
- Q(f);N_GUARD,P_PINP(D),XP(F)::P=S
- Q(f);OGATE,XQ(H)::PXQ(f)=Q
- Q(f);N_GUARD,XB(I)::P=Q
- R(b);N_GUARD,XP(D)::PXQ(f)=S
- B(e);XB(I)::PXQ(f)=Q
- P(d);::PXQ(f)=S
- Q(f);OGATE::PXQ(f)=S
- S(a);::P=S
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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