MESON Chess Problem Database
Problem Display
PID: 64146 (4Q1n1/K2Nn2B/1P6/R7/P2k4/2R5/8/B7 w - - 0 1)
Stocchi, Ottavio
4th Comm., La Scacchiera, 1951
#2
9 + 3
| 5407 | Selected Stocchi (II) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Sd5
- 2.Qe4#
- 2.Qe5#
- 1...Sf5
- 2.Qe5#
- 1...Sc6+
- 2.Rxc6#
- 1...Sg6
- 2.Qe3#
- 1...Sc8+
- 2.Rxc8#
- 1...Sh6
- 2.Qh8#
- 1...Sd5
- Tries
- 1.Ka6?
- 1...Sd5
- 2.Qe4#
- 2.Qe5#
- 1...Sf5
- 2.Qe5#
- 1...Sc6
- 2.Rc1#
- 2.Rc2#
- 2.Rcc5#
- 2.Rxc6#
- 2.Qe3#
- 2.Qe4#
- 1...Sg6
- 2.Qe3#
- 1...Sc8
- 2.Rc1#
- 2.Rc2#
- 2.Rcc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rxc8#
- 2.Qe3#
- 2.Qe4#
- 2.Qe5#
- 1...Sh6
- 2.Qh8#
- 1...Sf6!
- 1...Sd5
- 1.Kb7?
- 1...Sd5
- 2.Qe4#
- 2.Qe5#
- 1...Sf5
- 2.Qe5#
- 1...Sc6
- 2.Rc1#
- 2.Rc2#
- 2.Rcc5#
- 2.Rxc6#
- 2.Qe3#
- 2.Qe4#
- 1...Sg6
- 2.Qe3#
- 1...Sc8
- 2.Rc1#
- 2.Rc2#
- 2.Rcc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rxc8#
- 2.Qe3#
- 2.Qe4#
- 2.Qe5#
- 1...Sh6
- 2.Qh8#
- 1...Sf6!
- 1...Sd5
- 1.Ka8?
- 1...Sd5
- 2.Qe4#
- 2.Qe5#
- 1...Sf5
- 2.Qe5#
- 1...Sc6
- 2.Rc1#
- 2.Rc2#
- 2.Rcc5#
- 2.Rxc6#
- 2.Qe3#
- 2.Qe4#
- 1...Sg6
- 2.Qe3#
- 1...Sc8
- 2.Rc1#
- 2.Rc2#
- 2.Rcc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rxc8#
- 2.Qe3#
- 2.Qe4#
- 2.Qe5#
- 1...Sh6
- 2.Qh8#
- 1...Sf6!
- 1...Sd5
- 1.Kb8?
- 1...Sc6+
- 2.Rxc6#
- 1...Sd5
- 2.Qe4#
- 2.Qe5#
- 1...Sf5
- 2.Qe5#
- 1...Sg6
- 2.Qe3#
- 1...Sc8
- 2.Rc1#
- 2.Rc2#
- 2.Rcc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rxc8#
- 2.Qe3#
- 2.Qe4#
- 2.Qe5#
- 1...Sh6
- 2.Qh8#
- 1...Sf6!
- 1...Sc6+
- 1.Se5?
- threat
- 2.Sf3#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 1...Sc6+
- 2.Sxc6#
- 1...Sf5
- 2.Sf3#
- 2.Sc6#
- 1...Sg6
- 2.Sf3#
- 2.Sc6#
- 1...Sd5
- 2.Sf3#
- 2.Sc6#
- 2.Rd3#
- 1...Sc8+!
- threat
- 1.Sb8?
- 1...Sc6+
- 2.Sxc6#
- 2.Rxc6#
- 1...Sc8+
- 2.Rxc8#
- 1...Sd5
- 2.Sc6#
- 2.Qe4#
- 1...Sf5
- 2.Sc6#
- 2.Qe5#
- 1...Sg6
- 2.Sc6#
- 2.Qe3#
- 1...Sh6
- 2.Qh8#
- 1...Sf6!
- 1...Sc6+
- 1.Bb2?
- 1...Sc6+
- 2.Rxc6#
- 1...Sc8+
- 2.Rxc8#
- 1...Sd5
- 2.Qe4#
- 2.Qe5#
- 1...Sf5
- 2.Qe5#
- 1...Sg6
- 2.Qe3#
- 1...Sh6
- 2.Qh8#
- 1...Sf6!
- 1...Sc6+
- 1.Bb1?
- 1...Sc6+
- 2.Rxc6#
- 1...Sc8+
- 2.Rxc8#
- 1...Sd5
- 2.Qe4#
- 2.Qe5#
- 1...Sf5
- 2.Rc1#
- 2.Rcc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qe4#
- 2.Qe5#
- 1...Sg6
- 2.Rc1#
- 2.Rcc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qe3#
- 2.Qe4#
- 1...Sh6
- 2.Qh8#
- 1...Sf6!
- 1...Sc6+
- 1.Bc2?
- 1...Sc6+
- 2.Rxc6#
- 1...Sc8+
- 2.Rxc8#
- 1...Sd5
- 2.Qe4#
- 2.Qe5#
- 1...Sf5
- 2.Rcc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qe4#
- 2.Qe5#
- 1...Sg6
- 2.Rcc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qe3#
- 2.Qe4#
- 1...Sh6
- 2.Qh8#
- 1...Sf6!
- 1...Sc6+
- 1.Bf5?
- 1...Sc6+
- 2.Rxc6#
- 1...Sc8+
- 2.Rxc8#
- 1...Sxf5
- 2.Qe5#
- 1...Sd5
- 2.Qe4#
- 2.Qe5#
- 1...Sg6
- 2.Rc1#
- 2.Rc2#
- 2.Rcc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qe3#
- 2.Qe4#
- 1...Sh6
- 2.Qh8#
- 1...Sf6!
- 1...Sc6+
- 1.Bg6?
- 1...Sc6+
- 2.Rxc6#
- 1...Sc8+
- 2.Rxc8#
- 1...Sxg6
- 2.Qe3#
- 1...Sd5
- 2.Qe4#
- 2.Qe5#
- 1...Sf5
- 2.Qe5#
- 1...Sh6
- 2.Qh8#
- 1...Sf6!
- 1...Sc6+
- 1.Rb5?
- 1...Sc6+
- 2.Rxc6#
- 1...Sc8+
- 2.Rxc8#
- 1...Sd5
- 2.Qe4#
- 2.Qe5#
- 1...Sf5
- 2.Qe5#
- 1...Sg6
- 2.Qe3#
- 1...Sh6
- 2.Qh8#
- 1...Sf6!
- 1...Sc6+
- 1.Rd5+?
- 1...Sxd5
- 2.Qe4#
- 2.Qe5#
- 1...Kxd5!
- 1...Sxd5
- 1.Rg5?
- 1...Sc6+
- 2.Rxc6#
- 1...Sc8+
- 2.Rxc8#
- 1...Sf5
- 2.Qe5#
- 1...Sd5
- 2.Qe4#
- 2.Qe5#
- 1...Sg6
- 2.Qe3#
- 1...Sh6
- 2.Qh8#
- 1...Sf6!
- 1...Sc6+
- 1.Rh5?
- 1...Sc6+
- 2.Rxc6#
- 1...Sc8+
- 2.Rxc8#
- 1...Sf5
- 2.Qe5#
- 1...Sd5
- 2.Qe4#
- 2.Qe5#
- 1...Sg6
- 2.Qe3#
- 1...Sh6
- 2.Qh8#
- 1...Sf6!
- 1...Sc6+
- 1.Qxe7?
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Rcc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qb4#
- 2.Qh4#
- 2.Qc5#
- 2.Qd6#
- 2.Qe3#
- 2.Qe4#
- 2.Qe5#
- 1...Sf6
- 2.Rc1#
- 2.Rc2#
- 2.Rcc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qb4#
- 2.Qc5#
- 2.Qxf6#
- 2.Qe3#
- 2.Qe5#
- 1...Sh6
- 2.Rc1#
- 2.Rc2#
- 2.Rcc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qb4#
- 2.Qc5#
- 2.Qd6#
- 2.Qf6#
- 2.Qe3#
- 2.Qe4#
- 2.Qe5#
- 2.Qg7#
- 1...Sxe7!
- threat
- 1.b7?
- 1...Sc6+
- 2.Rxc6#
- 1...Sc8+
- 2.Rxc8#
- 1...Sd5
- 2.Qe4#
- 2.Qe5#
- 1...Sf5
- 2.Qe5#
- 1...Sg6
- 2.Qe3#
- 1...Sh6
- 2.Qh8#
- 1...Sf6!
- 1...Sc6+
- 1.Ka6?
- Keys
- 1.Sf8!
- threat
- 2.Se6#
- 1...Sc6+
- 2.Rxc6#
- 1...Sc8+
- 2.Rxc8#
- 1...Sd5
- 2.Qe4#
- 1...Sf5
- 2.Qe5#
- 1...Sg6
- 2.Qe3#
- threat
- 1.Sf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- S(b);OGATE::QAB1(I)
- S(b);CHECK::B(A)+R(B),XS(b)
- S(c);OGATE::QAB(I)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- S(b);OGATE::QAB1(I)
- S(c);OGATE::QAB(I)
- Refutation
- S(c);
- Try
- K(F);P-FLIGHT
- Vars
- S(b);OGATE::QAB1(I)
- S(c);OGATE::QAB(I)
- Refutation
- S(c);
- Try
- K(F);P-FLIGHT
- Vars
- S(b);OGATE::QAB1(I)
- S(c);OGATE::QAB(I)
- Refutation
- S(c);
- Try
- K(F);S_FLIGHT
- Vars
- S(b);CHECK::B(A)+R(B),XS(b)
- S(b);OGATE::QAB1(I)
- S(c);OGATE::QAB(I)
- Refutation
- S(c);
- Try
- S(G);
- Threat
- DUALS(7)
- Vars
- S(b);CHECK,N_GUARD::S(G),XS(b)
- Refutation
- S(b);CHECK
- Try
- S(G);
- Vars
- S(b);CHECK::B(A)+R(B),XS(b)
- S(c);OGATE::QAB(I)
- Refutation
- S(c);
- Try
- B(A);
- Vars
- S(b);CHECK::B(A)+R(B),XS(b)
- S(b);OGATE::QAB1(I)
- S(c);OGATE::QAB(I)
- Refutation
- S(c);
- Try
- B(H);
- Vars
- S(b);CHECK::B(A)+R(B),XS(b)
- S(c);OGATE::QAB(I)
- Refutation
- S(c);
- Try
- B(H);
- Vars
- S(b);CHECK::B(A)+R(B),XS(b)
- S(c);OGATE::QAB(I)
- Refutation
- S(c);
- Try
- B(H);
- Vars
- S(b);CHECK::B(A)+R(B),XS(b)
- S(b);OGATE,XB(H)::QAB1(I)
- S(c);OGATE::QAB(I)
- Refutation
- S(c);
- Try
- B(H);
- Vars
- S(b);CHECK::B(A)+R(B),XS(b)
- S(b);OGATE,XB(H)::QAB1(I)
- S(b);OGATE::QAB1(I)
- S(c);OGATE::QAB(I)
- Refutation
- S(c);
- Try
- R(D);
- Vars
- S(b);CHECK::B(A)+R(B),XS(b)
- S(b);OGATE::QAB1(I)
- S(c);OGATE::QAB(I)
- Refutation
- S(c);
- Try
- R(D);CHECK
- Refutation
- K(a);P-FLIGHT,XR(D)
- Try
- R(D);
- Vars
- S(b);CHECK::B(A)+R(B),XS(b)
- S(b);OGATE::QAB1(I)
- S(c);OGATE::QAB(I)
- Refutation
- S(c);
- Try
- R(D);
- Vars
- S(b);CHECK::B(A)+R(B),XS(b)
- S(b);OGATE::QAB1(I)
- S(c);OGATE::QAB(I)
- Refutation
- S(c);
- Try
- Q(I);XS(b)
- Threat
- DUALS(13)
- Refutation
- S(c);XQ(I)
- Try
- P(E);
- Vars
- S(b);CHECK::B(A)+R(B),XS(b)
- S(b);OGATE::QAB1(I)
- S(c);OGATE::QAB(I)
- Refutation
- S(c);
- Try
- Actual
- S(G);
- Threat
- S(G)
- Vars
- S(b);CHECK::B(A)+R(B),XS(b)
- S(b);OGATE::QAR1(I)
- S(b);OGATE::QAB1(I)
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).