MESON Chess Problem Database
Problem Display
PID: 93016 (rbQ1K2B/Pp3n2/1P2NRB1/1RPkP1rb/2Np1n2/3p1P2/8/8 w - - 0 1)
Stocchi, Ottavio
Tidskrift for Schack, 1937
#2
13 + 10
| 14475 | Mat Plus Review | 2007 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bd6
- 2.cxd6#
- 1...Sxe6
- 2.Qxe6#
- 1...Sd6+
- 2.cxd6#
- 1...Bd6
- Tries
- 1.Sb2?
- threat
- 2.c6#
- 1...Sd6+
- 2.cxd6#
- 1...Kxe5
- 2.Rf5#
- 1...Rxe5
- 2.Qxb7#
- 1...Bxe5
- 2.Be4#
- 1...Sxe6
- 2.Qxe6#
- 1...Sxe5
- 2.Sxf4#
- 1...Bd6
- 2.cxd6#
- 1...Bc7!
- threat
- 1.Sd2?
- threat
- 2.c6#
- 1...Sd6+
- 2.cxd6#
- 1...Kxe5
- 2.Rf5#
- 1...Rxe5
- 2.Qxb7#
- 1...Bxe5
- 2.Be4#
- 1...Sxe6
- 2.Qxe6#
- 1...Sxe5
- 2.Sxf4#
- 1...Bd6
- 2.cxd6#
- 1...Bc7!
- threat
- 1.Sa3?
- threat
- 2.c6#
- 1...Sd6+
- 2.cxd6#
- 1...Kxe5
- 2.Rf5#
- 1...Rxe5
- 2.Qxb7#
- 1...Bxe5
- 2.Be4#
- 1...Sxe6
- 2.Qxe6#
- 1...Sxe5
- 2.Sxf4#
- 1...Bd6
- 2.cxd6#
- 1...Bc7!
- threat
- 1.Se3+?
- 1...Kxe5
- 2.Rf5#
- 2.Rxf7#
- 1...dxe3!
- 1...Kxe5
- 1.Rb4?
- threat
- 2.Sxf4#
- 2.Be4#
- 2.Qxb7#
- 1...Rxe5
- 2.Qxb7#
- 1...Rxg6
- 2.Sxf4#
- 2.Qxb7#
- 1...Rxa7
- 2.Sxf4#
- 2.Be4#
- 1...Bxf3
- 2.Sxf4#
- 2.Qxb7#
- 1...Bxg6
- 2.Sxf4#
- 2.Qxb7#
- 1...Bxe5
- 2.Be4#
- 1...Bxa7
- 2.Sxf4#
- 2.Be4#
- 1...Sxe6
- 2.Be4#
- 1...Sxg6
- 2.Qxb7#
- 1...Sxe5
- 2.Sxf4#
- 1...Sxh8
- 2.Sxf4#
- 2.Qxb7#
- 1...Bc7
- 2.Be4#
- 1...Rg4
- 2.Be4#
- 2.Qxb7#
- 1...Rf5
- 2.Qxb7#
- 1...Bd6
- 2.Sxf4#
- 2.Be4#
- 1...Se2
- 2.Be4#
- 2.Qxb7#
- 1...Sg2
- 2.Be4#
- 2.Qxb7#
- 1...Sh3
- 2.Be4#
- 2.Qxb7#
- 1...Sh6
- 2.Sxf4#
- 2.Qxb7#
- 1...Sd8
- 2.Sxf4#
- 1...Sd6+!
- threat
- 1.Sb2?
- Keys
- 1.Sa5!
- threat
- 2.c6#
- 1...Sd6+
- 2.cxd6#
- 1...Kxe5
- 2.Rf5#
- 1...Rxe5
- 2.Qxb7#
- 1...Bxe5
- 2.Be4#
- 1...Sxe6
- 2.Qxe6#
- 1...Sxe5
- 2.Sxf4#
- 1...Bd6
- 2.cxd6#
- threat
- 1.Sa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- B(j);OGATE,P_PINQ(K)::R(C)+P(D),XB(j)
- S(c);OGATE,XS(G)::QAB1(K),XS(c)
- S(h);CHECK,OGATE,P_PINB(I)::R(C)+P(D),XS(h)
- Tries
- Try
- S(B);
- Threat
- R(C)+P(D)
- Vars
- S(h);CHECK,OGATE,P_PINB(I)::R(C)+P(D),XS(h)
- K(d);OGATEB,P-FLIGHT,XP(E)::B(M)+R(H),DCHECK
- R(e);P_PINS(G),SBLOCK,XP(E)::QAB(K),XP(g)
- B(j);P_PINQ(K),SBLOCK,XP(E)::B(I)
- S(c);OGATE,XS(G)::QAB1(K),XS(c)
- S(h);P_PINB(I),SBLOCK,XP(E)::S(G),XS(c)
- B(j);OGATE,P_PINQ(K)::R(C)+P(D),XB(j)
- Refutation
- B(j);P_PINQ(K)
- Try
- S(B);
- Threat
- R(C)+P(D)
- Vars
- S(h);CHECK,OGATE,P_PINB(I)::R(C)+P(D),XS(h)
- K(d);OGATEB,P-FLIGHT,XP(E)::B(M)+R(H),DCHECK
- R(e);P_PINS(G),SBLOCK,XP(E)::QAB(K),XP(g)
- B(j);P_PINQ(K),SBLOCK,XP(E)::B(I)
- S(c);OGATE,XS(G)::QAB1(K),XS(c)
- S(h);P_PINB(I),SBLOCK,XP(E)::S(G),XS(c)
- B(j);OGATE,P_PINQ(K)::R(C)+P(D),XB(j)
- Refutation
- B(j);P_PINQ(K)
- Try
- S(B);
- Threat
- R(C)+P(D)
- Vars
- S(h);CHECK,OGATE,P_PINB(I)::R(C)+P(D),XS(h)
- K(d);OGATEB,P-FLIGHT,XP(E)::B(M)+R(H),DCHECK
- R(e);P_PINS(G),SBLOCK,XP(E)::QAB(K),XP(g)
- B(j);P_PINQ(K),SBLOCK,XP(E)::B(I)
- S(c);OGATE,XS(G)::QAB1(K),XS(c)
- S(h);P_PINB(I),SBLOCK,XP(E)::S(G),XS(c)
- B(j);OGATE,P_PINQ(K)::R(C)+P(D),XB(j)
- Refutation
- B(j);P_PINQ(K)
- Try
- S(B);CHECK
- Refutation
- P(b);XS(B)
- Try
- R(C);
- Threat
- DUALS(3)
- Vars
- R(e);P_PINS(G),XP(E)::QAB(K),XP(g)
- B(j);P_PINQ(K),XP(E)::B(I)
- S(c);XS(G)::B(I)
- S(c);XB(I)::QAB(K),XP(g)
- S(h);P_PINB(I),XP(E)::S(G),XS(c)
- B(j);P_PINQ(K)::B(I)
- R(e);::QAB(K),XP(g)
- S(h);P_PINB(I)::S(G),XS(c)
- Refutation
- S(h);CHECK,P_PINB(I)
- Try
- Actual
- S(B);
- Threat
- R(C)+P(D)
- Vars
- S(h);CHECK,OGATE,P_PINB(I)::R(C)+P(D),XS(h)
- K(d);OGATEB,P-FLIGHT,XP(E)::B(M)+R(H),DCHECK
- R(e);P_PINS(G),SBLOCK,XP(E)::QAB(K),XP(g)
- B(j);P_PINQ(K),SBLOCK,XP(E)::B(I)
- S(c);OGATE,XS(G)::QAB1(K),XS(c)
- S(h);P_PINB(I),SBLOCK,XP(E)::S(G),XS(c)
- B(j);OGATE,P_PINQ(K)::R(C)+P(D),XB(j)
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).