MESON Chess Problem Database
Problem Display
PID: 136830 (6r1/7Q/1BP1N1qp/1K1N1bp1/1p1Pk3/6R1/B1P2R2/4r3 w - - 0 1)
Guida, Marco
L'Italia Scacchistica, 2002
#2
11 + 8
| 6490 | yacpdb | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Qh5
- 2.Sf6#
- 2.Qxf5#
- 1...Qf7
- 2.Rg4#
- 1...Qxh7
- 2.Sf6#
- 1...Qe8
- 2.Sf6#
- 2.Rg4#
- 2.Qxf5#
- 1...Qxe6
- 2.Rg4#
- 1...Qf6
- 2.Sxf6#
- 2.Rg4#
- 1...Qg7
- 2.Rg4#
- 2.Qxf5#
- 1...Ra1
- 2.Re2#
- 2.Re3#
- 1...Rb1
- 2.Re2#
- 2.Re3#
- 1...Rc1
- 2.Re2#
- 2.Re3#
- 1...Rd1
- 2.Re2#
- 2.Re3#
- 1...Rf1
- 2.Re2#
- 2.Re3#
- 1...Rg1
- 2.Re2#
- 2.Re3#
- 1...Rh1
- 2.Re2#
- 2.Re3#
- 1...Re2
- 2.Rxe2#
- 1...Re3
- 2.Rxe3#
- 1...Bh3
- 2.Sf6#
- 1...Bg4
- 2.Sf6#
- 2.Rxg4#
- 1...Bxe6
- 2.Sf6#
- 1...b3
- 2.Sc3#
- 1...g4
- 2.Rf4#
- 1...Qh5
- Tries
- 1.Kxb4?
- threat
- 2.Sc3#
- 1...Re3
- 2.Rxe3#
- 1...Rb1+!
- threat
- 1.Kc4?
- threat
- 2.Sc5#
- 1...Qxe6
- 2.Rg4#
- 1...Bxe6!
- threat
- 1.Rf1?
- threat
- 2.Rxe1#
- 1...Rxf1
- 2.Re3#
- 1...Bxe6
- 2.Sf6#
- 1...b3
- 2.Sc3#
- 1...Qh5
- 2.Sf6#
- 2.Qxf5#
- 1...Ra1
- 2.Re3#
- 1...Rb1
- 2.Re3#
- 1...Rc1
- 2.Re3#
- 1...Rd1
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...Bh3
- 2.Sf6#
- 1...Bg4
- 2.Sf6#
- 2.Rxg4#
- 1...Re2!
- threat
- 1.Rd3?
- threat
- 2.Sc5#
- 1...Bxe6
- 2.Sf6#
- 1...b3
- 2.Sc3#
- 1...Qxe6!
- threat
- 1.Qxg6?
- threat
- 2.Sf6#
- 2.Rg4#
- 2.Qxf5#
- 1...Bxg6
- 2.Sf6#
- 2.Rg4#
- 1...b3
- 2.Sc3#
- 2.Sf6#
- 2.Qxf5#
- 1...Rg1
- 2.Sf6#
- 2.Re2#
- 2.Re3#
- 2.Qxf5#
- 1...Rf8
- 2.Rg4#
- 1...g4
- 2.Sf6#
- 2.Rf4#
- 2.Rxg4#
- 2.Qxf5#
- 1...h5
- 2.Sf6#
- 2.Sxg5#
- 2.Qxf5#
- 1...Rxg6!
- threat
- 1.Kxb4?
- Keys
- 1.Qe7!
- threat
- 2.Sxg5#
- 1...Qxe6
- 2.Sf6#
- 1...Bxe6
- 2.Rg4#
- 1...b3
- 2.Sc3#
- 1...g4
- 2.Sg5#
- 2.Rf4#
- threat
- 1.Qe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- Q(f);P_SPINB(d)::R(D)
- Q(f);N_GUARD,XQ(K)::S(G)
- Q(f);P_SPINB(d),XS(J)::R(D)
- R(a);N_GUARD::R(C),XR(a)
- R(a);N_GUARD::R1(D),XR(a)
- B(d);P_SPINQ(f)::S(G)
- B(d);P_SPINQ(f),XS(J)::S(G)
- P(b);N_GUARD::S(G)
- P(e);N_GUARD::R1(C)
- Tries
- Try
- K(F);P-FLIGHT,XP(b)
- Threat
- S(G)
- Vars
- R(a);N_GUARD::R1(D),XR(a)
- Refutation
- R(a);CHECK
- Try
- K(F);S_FLIGHT
- Threat
- S(J)
- Vars
- Q(f);P_PINS(G),P_SPINB(d),XS(J)::R(D)
- Refutation
- B(d);P_PINS(G),P_SPINQ(f),XS(J)
- Try
- R(C);
- Threat
- R(C),XR(a)
- Vars
- R(a);N_GUARD,XR(C)::R1(D)
- B(d);P_SPINQ(f),XS(J)::S(G)
- P(b);N_GUARD::S(G)
- R(a);N_GUARD::R1(D)
- R(a);N_GUARD::R1(D),XR(a)
- B(d);P_SPINQ(f)::S(G)
- Refutation
- R(a);
- Try
- R(D);
- Threat
- S(J)
- Vars
- B(d);P_SPINQ(f),XS(J)::S(G)
- P(b);N_GUARD::S(G)
- Refutation
- Q(f);P_SPINB(d),XS(J)
- Try
- Q(K);P_PINB(d),XQ(f)
- Threat
- DUALS(3)
- Vars
- R(h);::R(D)
- Refutation
- R(h);N_SPINB(d),XQ(K)
- Try
- Actual
- Q(K);
- Threat
- QAR(K)+S(J),DCHECK,XP(e)
- Vars
- Q(f);N_GUARD,P_SPINQ(f),XS(J)::S(G)
- B(d);N_GUARD,P_SPINB(d),XS(J)::R(D)
- P(b);N_GUARD::S(G)
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).