MESON Chess Problem Database
Problem Display
PID: 7945 (2K1B3/B2NPn2/2R1P2q/3kP1pp/bppN4/5P1Q/8/4R3 w - - 0 1)
Shire, David J
The Problemist, 1994
#2
12 + 8
| 4849 | The Sushkov Theme | 1999 |
| 3256 | David Shire Selected Chess Problems | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qf8
- 2.Sf6#
- 1...Qxe6
- 2.Qxe6#
- 1...Qf6
- 2.Sxf6#
- 1...Qh7
- 2.Sf6#
- 1...Sxe5
- 2.Rxe5#
- 1...Sd6+
- 2.Rxd6#
- 1...Sd8
- 2.Rd6#
- 1...Sh8
- 2.Rd6#
- 1...Qf8
- Tries
- 1.Sc2?
- threat
- 2.Sxb4#
- 2.Sb6#
- 2.Rc5#
- 1...Sd6+
- 2.Rxd6#
- 1...Kxc6
- 2.Sf6#
- 1...Qxe6
- 2.Sxb4#
- 2.Rc5#
- 2.Qxe6#
- 1...Bxc6
- 2.Se3#
- 2.Sxb4#
- 2.Rd1#
- 1...Sxe5
- 2.Sxb4#
- 2.Sb6#
- 1...b3
- 2.Sb4#
- 2.Sb6#
- 2.Rc5#
- 1...g4
- 2.Sxb4#
- 2.Sb6#
- 1...Bxc2!
- threat
- 1.Se2?
- threat
- 2.Rc5#
- 1...Sd6+
- 2.Rxd6#
- 1...Kxc6
- 2.Sf6#
- 1...Bxc6
- 2.Rd1#
- 1...Sxe5
- 2.Sb6#
- 1...g4!
- threat
- 1.Sb5?
- threat
- 2.Sb6#
- 2.Rc5#
- 1...Sd6+
- 2.Rxd6#
- 1...Kxc6
- 2.Sf6#
- 1...Qxe6
- 2.Rc5#
- 2.Qxe6#
- 1...g4
- 2.Sb6#
- 1...Bxb5!
- threat
- 1.Bc5?
- threat
- 2.Sb6#
- 1...Sd6+
- 2.Rxd6#
- 1...Qxe6
- 2.Qxe6#
- 1...Bxc6!
- threat
- 1.Rd1?
- threat
- 2.Rc5#
- 1...Sd6+
- 2.Rxd6#
- 1...Bxc6
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sb5#
- 1...Sxe5
- 2.Sb6#
- 1...Bxd1!
- threat
- 1.Re4?
- threat
- 2.Sb6#
- 2.Rc5#
- 1...Sd6+
- 2.Rxd6#
- 1...Qxe6
- 2.Rc5#
- 2.Qxe6#
- 1...Sxe5
- 2.Sb6#
- 2.Rxe5#
- 1...Bxc6!
- threat
- 1.Qg4?
- threat
- 2.Sb6#
- 2.Rc5#
- 2.Qe4#
- 1...Sd6+
- 2.Rxd6#
- 1...Qxe6
- 2.Rc5#
- 2.Qxe6#
- 2.Qe4#
- 1...Bxc6
- 2.Qe4#
- 1...Sxe5
- 2.Sb6#
- 2.Rxe5#
- 2.Qe4#
- 1...Qg6
- 2.Sb6#
- 2.Rc5#
- 1...Qh7
- 2.Sb6#
- 2.Sf6#
- 2.Rc5#
- 1...Bc2
- 2.Sb6#
- 2.Rc5#
- 1...hxg4!
- threat
- 1.Sc2?
- Keys
- 1.Sf5!
- threat
- 2.Sb6#
- 1...Sd6+
- 2.Rxd6#
- 1...Kxc6
- 2.Sf6#
- 1...Qxe6
- 2.Rc5#
- 1...Bxc6
- 2.Se3#
- threat
- 1.Sf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- Q(g);N_GUARD,P_PINB(L)::S(I)
- Q(g);OGATE,P_PINS(I),XP(G)::QAB1(C),XQ(g)
- Q(g);N_GUARD::S(I),XQ(g)
- Q(g);N_GUARD::S(I)
- S(h);OGATE,XP(E)::R1(A),XS(h)
- S(h);CHECK,N_GUARD::R1(F),XS(h)
- S(h);N_GUARD::R1(F)
- Tries
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- S(h);CHECK,N_GUARD::R1(F),XS(h)
- K(d);S_FLIGHT,XR(F)::B(L)+S(I)
- Refutation
- B(a);XS(D)
- Try
- S(D);
- Threat
- R1(F)
- Vars
- S(h);CHECK,N_GUARD::R1(F),XS(h)
- K(d);S_FLIGHT,XR(F)::B(L)+S(I)
- B(a);N_GUARD,SBLOCK,XR(F)::R(A)
- S(h);SBLOCK,XP(E)::S(I)
- Refutation
- P(e);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(h);CHECK,N_GUARD::R1(F),XS(h)
- K(d);S_FLIGHT,XR(F)::B(L)+S(I)
- P(e);::S(I)
- Refutation
- B(a);XS(D)
- Try
- B(H);
- Threat
- S(I)
- Vars
- S(h);CHECK,N_GUARD::R1(F),XS(h)
- Q(g);OGATE,P_PINS(I),XP(G)::QAB1(C),XQ(g)
- Refutation
- B(a);XR(F)
- Try
- R(A);
- Threat
- R1(F)
- Vars
- S(h);CHECK,N_GUARD::R1(F),XS(h)
- S(h);SBLOCK,XP(E)::S(I)
- Refutation
- B(a);XR(A)
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- S(h);CHECK,N_GUARD::R1(F),XS(h)
- Refutation
- B(a);XR(F)
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- S(h);CHECK,N_GUARD::R1(F),XS(h)
- B(a);XR(F)::QAB1(C)
- Refutation
- P(f);XQ(C)
- Try
- Actual
- S(D);
- Threat
- S(I)
- Vars
- S(h);CHECK,N_GUARD::R1(F),XS(h)
- K(d);S_FLIGHT,XR(F)::B(L)+S(I)
- Q(g);P_PINS(I),SBLOCK,XP(G)::R1(F)
- B(a);SBLOCK,XR(F)::S(D)
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).