MESON Chess Problem Database
Problem Display
PID: 43485 (B1n5/3pP3/3B2Q1/K2P1P2/n1N1k1bb/2pNPq2/2P3P1/4R3 w - - 0 1)
Stocchi, Ottavio
4th Prize, Sahovski Vestnik, 1950
#2
13 + 8
| 5407 | Selected Stocchi (II) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qxe3
- 2.Qxg4#
- 1...Sb2
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sab6
- 2.Sc5#
- 1...Sxd6
- 2.Sxd6#
- 1...Qxe3
- Tries
- 1.Bh2?
- threat
- 2.d6#
- 1...Qxe3
- 2.Qxg4#
- 1...Sxe7
- 2.Sd6#
- 1...Sc5
- 2.Sxc5#
- 1...Sab6
- 2.Sc5#
- 1...Scb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...d6
- 2.Qe6#
- 1...Qxf5!
- threat
- 1.Ba3?
- threat
- 2.d6#
- 1...Qxe3
- 2.Qxg4#
- 1...Sxe7
- 2.Sd6#
- 1...Sc5
- 2.Sxc5#
- 1...Sab6
- 2.Sc5#
- 1...Scb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...d6
- 2.Qe6#
- 1...Qxf5!
- threat
- 1.Bb4?
- threat
- 2.d6#
- 1...Qxe3
- 2.Qxg4#
- 1...Sxe7
- 2.Sd6#
- 1...Sc5
- 2.Sxc5#
- 1...Sab6
- 2.Sc5#
- 1...Scb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...d6
- 2.Qe6#
- 1...Qxf5!
- threat
- 1.Bf4?
- threat
- 2.d6#
- 1...Sxe7
- 2.Sd6#
- 1...Sc5
- 2.Sxc5#
- 1...Sab6
- 2.Sc5#
- 1...Scb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...d6
- 2.Qe6#
- 1...Qxe3!
- threat
- 1.Bc5?
- threat
- 2.d6#
- 1...Sxc5
- 2.Sxc5#
- 1...Sxe7
- 2.Sd6#
- 1...Scb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...d6
- 2.Qe6#
- 1...Sab6!
- threat
- 1.Be5?
- threat
- 2.d6#
- 1...Sxe7
- 2.Sd6#
- 1...Sc5
- 2.Sxc5#
- 1...Sab6
- 2.Sc5#
- 1...Scb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...d6!
- threat
- 1.Bc7?
- threat
- 2.d6#
- 1...Qxe3
- 2.Qxg4#
- 1...Sxe7
- 2.Sd6#
- 1...Sc5
- 2.Sxc5#
- 1...Sab6
- 2.Sc5#
- 1...Scb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...d6
- 2.Qe6#
- 1...Qxf5!
- threat
- 1.Bb8?
- threat
- 2.d6#
- 1...Qxe3
- 2.Qxg4#
- 1...Sxe7
- 2.Sd6#
- 1...Sc5
- 2.Sxc5#
- 1...Sab6
- 2.Sc5#
- 1...Scb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...d6
- 2.Qe6#
- 1...Qxf5!
- threat
- 1.Qxg4+?
- 1...Qf4
- 2.Qxf4#
- 1...Qxg4!
- 1...Qf4
- 1.gxf3+?
- 1...Bxf3
- 2.f6#
- 1...Kxf3!
- 1...Bxf3
- 1.Bh2?
- Keys
- 1.Bg3!
- threat
- 2.d6#
- 1...Qxe3
- 2.Qxg4#
- 1...Qxf5
- 2.Sf2#
- 1...Sxe7
- 2.Sd6#
- 1...Sc5
- 2.Sxc5#
- 1...Sab6
- 2.Sc5#
- 1...Scb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...d6
- 2.Qe6#
- threat
- 1.Bg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- Q(b);N_GUARD,P_SPINQ(b),XP(E)::QAR2(K),XB(e)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- S(h);XB(J)::S(F),XS(h)
- Tries
- Try
- B(J);
- Threat
- B(M)+P(H)
- Vars
- Q(b);N_GUARD,P_SPINQ(b),XP(E)::QAR2(K),XB(e)
- S(h);N_GUARD,XP(L)::S(F)
- S(c);N_GUARD::S(D),XS(c)
- S(c);N_GUARD::S(D)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(g);N_GUARD::QAR2(K)
- Refutation
- Q(b);P_PINP(H),P_SPINQ(b),XP(I)
- Try
- B(J);
- Threat
- B(M)+P(H)
- Vars
- Q(b);N_GUARD,P_SPINQ(b),XP(E)::QAR2(K),XB(e)
- S(h);N_GUARD,XP(L)::S(F)
- S(c);N_GUARD::S(D),XS(c)
- S(c);N_GUARD::S(D)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(g);N_GUARD::QAR2(K)
- Refutation
- Q(b);P_PINP(H),P_SPINQ(b),XP(I)
- Try
- B(J);
- Threat
- B(M)+P(H)
- Vars
- Q(b);N_GUARD,P_SPINQ(b),XP(E)::QAR2(K),XB(e)
- S(h);N_GUARD,XP(L)::S(F)
- S(c);N_GUARD::S(D),XS(c)
- S(c);N_GUARD::S(D)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(g);N_GUARD::QAR2(K)
- Refutation
- Q(b);P_PINP(H),P_SPINQ(b),XP(I)
- Try
- B(J);
- Threat
- B(M)+P(H)
- Vars
- S(h);N_GUARD,XP(L)::S(F)
- S(c);N_GUARD::S(D),XS(c)
- S(c);N_GUARD::S(D)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(g);N_GUARD::QAR2(K)
- Refutation
- Q(b);P_SPINQ(b),XP(E)
- Try
- B(J);
- Threat
- B(M)+P(H)
- Vars
- S(c);XB(J)::S(D),XS(c)
- S(h);N_GUARD,XP(L)::S(F)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(g);N_GUARD::QAR2(K)
- Refutation
- S(c);
- Try
- B(J);
- Threat
- B(M)+P(H)
- Vars
- S(h);N_GUARD,XP(L)::S(F)
- S(c);N_GUARD::S(D),XS(c)
- S(c);N_GUARD::S(D)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- Refutation
- P(g);
- Try
- B(J);
- Threat
- B(M)+P(H)
- Vars
- Q(b);N_GUARD,P_SPINQ(b),XP(E)::QAR2(K),XB(e)
- S(h);N_GUARD,XP(L)::S(F)
- S(c);N_GUARD::S(D),XS(c)
- S(c);N_GUARD::S(D)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(g);N_GUARD::QAR2(K)
- Refutation
- Q(b);P_PINP(H),P_SPINQ(b),XP(I)
- Try
- B(J);
- Threat
- B(M)+P(H)
- Vars
- Q(b);N_GUARD,P_SPINQ(b),XP(E)::QAR2(K),XB(e)
- S(h);N_GUARD,XP(L)::S(F)
- S(c);N_GUARD::S(D),XS(c)
- S(c);N_GUARD::S(D)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(g);N_GUARD::QAR2(K)
- Refutation
- Q(b);P_PINP(H),P_SPINQ(b),XP(I)
- Try
- Q(K);CHECK,XB(e)
- Vars
- Q(b);N_GUARD,P_SPINQ(b)::QAR1(K),XQ(b)
- Refutation
- Q(b);XQ(K)
- Try
- P(C);CHECK,XQ(b)
- Vars
- B(e);SBLOCK,XP(C)::QAB(K)+P(I)
- Refutation
- K(d);S_FLIGHT,XP(C)
- Try
- Actual
- B(J);
- Threat
- B(M)+P(H)
- Vars
- Q(b);N_GUARD,P_SPINQ(b),XP(E)::QAR2(K),XB(e)
- Q(b);N_GUARD,P_PINP(H),P_SPINQ(b),XP(I)::S(D)
- S(h);N_GUARD,XP(L)::S(F)
- S(c);N_GUARD::S(D),XS(c)
- S(c);N_GUARD::S(D)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(g);N_GUARD::QAR2(K)
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).