MESON Chess Problem Database
Problem Display
PID: 64356 (8/6K1/5p2/1P1k2p1/2p1NrB1/3N1P2/7Q/2R3B1 w - - 0 1)
Stocchi, Ottavio
Comm., Magyar Sakkvilag, 1952
#2
9 + 5
| 5407 | Selected Stocchi (II) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Rxf3
- 2.Sc3#
- 1...Rxe4
- 2.Sb4#
- 1...Rxg4
- 2.Qd6#
- 1...Rf5
- 2.Qd6#
- 1...cxd3
- 2.Rc5#
- 1...c3
- 2.Qa2#
- 1...Rxf3
- Tries
- 1.Kg6?
- 1...Rxf3
- 2.Sc3#
- 1...Rxe4
- 2.Sb4#
- 1...Rxg4
- 2.Qd6#
- 1...cxd3
- 2.Rc5#
- 1...Rf5
- 2.Qd6#
- 1...c3
- 2.Qa2#
- 1...f5!
- 1...Rxf3
- 1.Kh6?
- 1...Rxf3
- 2.Sc3#
- 1...Rxe4
- 2.Sb4#
- 1...Rxg4
- 2.Qd6#
- 1...cxd3
- 2.Rc5#
- 1...Rf5
- 2.Qd6#
- 1...c3
- 2.Qa2#
- 1...f5!
- 1...Rxf3
- 1.Kf7?
- threat
- 2.Be6#
- 1...Rxf3
- 2.Sc3#
- 1...Rxe4
- 2.Sb4#
- 1...Rxg4
- 2.Sb4#
- 2.Sc3#
- 2.Sxf6#
- 2.Qd6#
- 1...cxd3
- 2.Rc5#
- 1...Rf5
- 2.Sb4#
- 2.Sc3#
- 2.Qd6#
- 1...f5!
- threat
- 1.Kh7?
- 1...Rxf3
- 2.Sc3#
- 1...Rxe4
- 2.Sb4#
- 1...Rxg4
- 2.Qd6#
- 1...cxd3
- 2.Rc5#
- 1...Rf5
- 2.Qd6#
- 1...c3
- 2.Qa2#
- 1...f5!
- 1...Rxf3
- 1.Kf8?
- 1...Rxf3
- 2.Sc3#
- 1...Rxe4
- 2.Sb4#
- 1...Rxg4
- 2.Qd6#
- 1...cxd3
- 2.Rc5#
- 1...Rf5
- 2.Qd6#
- 1...c3
- 2.Qa2#
- 1...f5!
- 1...Rxf3
- 1.Kg8?
- 1...Rxf3
- 2.Sc3#
- 1...Rxe4
- 2.Sb4#
- 1...Rxg4
- 2.Qd6#
- 1...cxd3
- 2.Rc5#
- 1...Rf5
- 2.Qd6#
- 1...c3
- 2.Qa2#
- 1...f5!
- 1...Rxf3
- 1.Kh8?
- 1...Rxf3
- 2.Sc3#
- 1...Rxe4
- 2.Sb4#
- 1...Rxg4
- 2.Qd6#
- 1...cxd3
- 2.Rc5#
- 1...Rf5
- 2.Qd6#
- 1...c3
- 2.Qa2#
- 1...f5!
- 1...Rxf3
- 1.Sxf6+?
- 1...Rxf6
- 2.Sb4#
- 2.Qe5#
- 1...Kd6!
- 1...Rxf6
- 1.Be3?
- 1...Rxf3
- 2.Sc3#
- 1...Rxe4
- 2.Sb4#
- 1...Rxg4
- 2.Qd6#
- 1...cxd3
- 2.Rc5#
- 1...Rf5
- 2.Qd6#
- 1...c3
- 2.Qa2#
- 1...f5!
- 1...Rxf3
- 1.Bf5?
- 1...Rxf3
- 2.Sb4#
- 2.Sc3#
- 2.Sxf6#
- 2.Qd6#
- 1...Rxe4
- 2.Sb4#
- 2.fxe4#
- 1...Rxf5
- 2.Qd6#
- 1...cxd3
- 2.Rc5#
- 1...c3
- 2.Qa2#
- 1...Rg4
- 2.Sb4#
- 2.Sc3#
- 2.Sxf6#
- 2.Qd6#
- 1...Rh4
- 2.Sb4#
- 2.Sc3#
- 2.Sxf6#
- 2.Qd6#
- 1...g4!
- 1...Rxf3
- 1.Qxf4?
- threat
- 2.Sb4#
- 2.Sc3#
- 2.Sxf6#
- 2.Qd6#
- 2.Qf5#
- 1...cxd3
- 2.Sc3#
- 2.Sxf6#
- 2.Rc5#
- 2.Qd6#
- 2.Qf5#
- 1...c3
- 2.Sxc3#
- 2.Sxf6#
- 1...f5
- 2.Qe5#
- 2.Qd6#
- 2.Qxf5#
- 1...gxf4!
- threat
- 1.Qa2?
- threat
- 2.Qxc4#
- 2.Qa8#
- 1...Rxg4
- 2.Qxc4#
- 1...Rf5
- 2.Qxc4#
- 1...f5
- 2.Qxc4#
- 1...Rxe4!
- threat
- 1.Qc2?
- threat
- 2.Qxc4#
- 1...cxd3
- 2.Qc5#
- 1...c3
- 2.Qb3#
- 2.Qa2#
- 1...Rxe4!
- threat
- 1.Kg6?
- Keys
- 1.Qh8!
- threat
- 2.Qa8#
- 2.Qd8#
- 2.Qg8#
- 1...Rxf3
- 2.Qa8#
- 1...Rxe4
- 2.Qd8#
- 1...Rxg4
- 2.Qg8#
- 1...cxd3
- 2.Rc5#
- 1...Rf5
- 2.Qg8#
- 1...c3
- 2.Qg8#
- 1...f5
- 2.Qg8#
- threat
- 1.Qh8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(b);XP(E)::S(F)
- R(b);XS(F)::S(D)
- R(b);OGATE,XB(G)::QAR1(C)
- R(b);OGATE::QAR1(C)
- P(a);OGATE,XS(D)::R1(A)
- P(a);OGATEB::QAB(C)
- Tries
- Try
- K(I);P-FLIGHT
- Vars
- R(b);XP(E)::S(F)
- R(b);XS(F)::S(D)
- R(b);OGATE,XB(G)::QAR1(C)
- P(a);OGATE,XS(D)::R1(A)
- R(b);OGATE::QAR1(C)
- P(a);OGATEB::QAB(C)
- Refutation
- P(e);
- Try
- K(I);S_FLIGHT
- Vars
- R(b);XP(E)::S(F)
- R(b);XS(F)::S(D)
- R(b);OGATE,XB(G)::QAR1(C)
- P(a);OGATE,XS(D)::R1(A)
- R(b);OGATE::QAR1(C)
- P(a);OGATEB::QAB(C)
- Refutation
- P(e);
- Try
- K(I);P-FLIGHT
- Threat
- B(G)
- Vars
- R(b);XP(E)::S(F)
- R(b);XS(F)::S(D)
- P(a);OGATE,XS(D)::R1(A)
- Refutation
- P(e);
- Try
- K(I);P-FLIGHT
- Vars
- R(b);XP(E)::S(F)
- R(b);XS(F)::S(D)
- R(b);OGATE,XB(G)::QAR1(C)
- P(a);OGATE,XS(D)::R1(A)
- R(b);OGATE::QAR1(C)
- P(a);OGATEB::QAB(C)
- Refutation
- P(e);
- Try
- K(I);S_FLIGHT
- Vars
- R(b);XP(E)::S(F)
- R(b);XS(F)::S(D)
- R(b);OGATE,XB(G)::QAR1(C)
- P(a);OGATE,XS(D)::R1(A)
- R(b);OGATE::QAR1(C)
- P(a);OGATEB::QAB(C)
- Refutation
- P(e);
- Try
- K(I);P-FLIGHT
- Vars
- R(b);XP(E)::S(F)
- R(b);XS(F)::S(D)
- R(b);OGATE,XB(G)::QAR1(C)
- P(a);OGATE,XS(D)::R1(A)
- R(b);OGATE::QAR1(C)
- P(a);OGATEB::QAB(C)
- Refutation
- P(e);
- Try
- K(I);S_FLIGHT
- Vars
- R(b);XP(E)::S(F)
- R(b);XS(F)::S(D)
- R(b);OGATE,XB(G)::QAR1(C)
- P(a);OGATE,XS(D)::R1(A)
- R(b);OGATE::QAR1(C)
- P(a);OGATEB::QAB(C)
- Refutation
- P(e);
- Try
- S(F);CHECK,XP(e)
- Refutation
- K(c);P-FLIGHT,P_SPINR(b)
- Try
- B(B);
- Vars
- R(b);XP(E)::S(F)
- R(b);XS(F)::S(D)
- R(b);OGATE,XB(G)::QAR1(C)
- P(a);OGATE,XS(D)::R1(A)
- R(b);OGATE::QAR1(C)
- P(a);OGATEB::QAB(C)
- Refutation
- P(e);
- Try
- B(G);
- Vars
- R(b);OGATE,XB(G)::QAR1(C)
- P(a);OGATE,XS(D)::R1(A)
- P(a);OGATEB::QAB(C)
- Refutation
- P(d);
- Try
- Q(C);XR(b)
- Threat
- DUALS(5)
- Refutation
- P(d);XQ(C)
- Try
- Q(C);P_PINP(a)
- Threat
- DUALS(2)
- Vars
- R(b);XB(G)::QAB1(C),XP(a)
- R(b);::QAB1(C),XP(a)
- P(e);::QAB1(C),XP(a)
- Refutation
- R(b);XS(F)
- Try
- Q(C);
- Threat
- QAB1(C),XP(a)
- Vars
- P(a);OGATE,XS(D)::QAR1(C)
- Refutation
- R(b);XS(F)
- Try
- Actual
- Q(C);
- Threat
- DUALS(3)
- Vars
- R(b);XP(E)::QAB(C)
- R(b);XS(F)::QAR(C)
- R(b);XB(G)::QAB(C)
- P(a);OGATE,XS(D)::R1(A)
- R(b);::QAB(C)
- P(a);::QAB(C)
- P(e);::QAB(C)
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).