MESON Chess Problem Database
Problem Display
PID: 102512 (8/1Kp1Qp2/1pP2p2/bNPk1P2/1np2p2/B1p2P2/2P5/8 w - - 0 1)
Stocchi, Ottavio
6th Comm., L'Echiquier de Paris, 1948
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sa2
- 2.Qe4#
- 1...Sxc2
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Sxc6
- 2.Qe4#
- 1...bxc5
- 2.Qe4#
- 1...Sa2
- Tries
- 1.Ka8?
- 1...Sxc2
- 2.Qe4#
- 1...Sxc6
- 2.Qe4#
- 1...bxc5
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Kxc6!
- 1...Sxc2
- 1.Kc8?
- 1...Sxc2
- 2.Qe4#
- 1...Sxc6
- 2.Qe4#
- 1...bxc5
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Kxc6!
- 1...Sxc2
- 1.Qe1?
- 1...Sxc2
- 2.Qe4#
- 1...Sxc6
- 2.Qe4#
- 1...bxc5
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Kxc5!
- 1...Sxc2
- 1.Qe2?
- 1...Sxc2
- 2.Qe4#
- 1...Sxc6
- 2.Qe4#
- 1...bxc5
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Kxc5!
- 1...Sxc2
- 1.Qe3?
- threat
- 2.Sxc3#
- 2.Sxc7#
- 2.Qd4#
- 1...Sxc2
- 2.Sxc7#
- 2.Qe4#
- 1...Sxc6
- 2.Sxc7#
- 2.Qe4#
- 1...bxc5
- 2.Qe4#
- 1...Sa2
- 2.Sxc7#
- 2.Qd4#
- 2.Qe4#
- 1...Sd3
- 2.Sxc7#
- 2.Qd4#
- 2.Qe4#
- 1...Sa6
- 2.Qd4#
- 2.Qe4#
- 1...fxe3!
- threat
- 1.Qxf7+?
- 1...Ke5
- 2.Qe6#
- 1...Kxc5!
- 1...Ke5
- 1.Qe8?
- 1...Sxc2
- 2.Qe4#
- 1...Sxc6
- 2.Qe4#
- 1...bxc5
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Kxc5!
- 1...Sxc2
- 1.cxb6?
- 1...Sxc2
- 2.Qc5#
- 2.Qe4#
- 1...Sxc6
- 2.Qc5#
- 2.Qe4#
- 1...cxb6
- 2.Qd6#
- 1...Sa2
- 2.Qc5#
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa6
- 2.Qe4#
- 1...Bxb6!
- 1...Sxc2
- 1.Ka8?
- Keys
- 1.Qxf6!
- threat
- 2.Qd4#
- 1...Kxc5
- 2.Qe5#
- 1...Sxc2
- 2.Sxc7#
- 1...Sxc6
- 2.Sxc7#
- 1...bxc5
- 2.Sxc3#
- threat
- 1.Qxf6!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- S(b);::QAB1(I)
- S(b);XP(A)::QAB1(I)
- S(b);XP(G)::QAB1(I)
- P(g);SBLOCK,XP(E)::QAB1(I)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- S(b);XP(A)::QAB1(I)
- S(b);SBLOCK,XP(G)::QAB1(I)
- P(g);SBLOCK,XP(E)::QAB1(I)
- S(b);::QAB1(I)
- Refutation
- K(f);S_FLIGHT,XP(G)
- Try
- K(H);S_FLIGHT
- Vars
- S(b);XP(A)::QAB1(I)
- S(b);SBLOCK,XP(G)::QAB1(I)
- P(g);SBLOCK,XP(E)::QAB1(I)
- S(b);::QAB1(I)
- Refutation
- K(f);S_FLIGHT,XP(G)
- Try
- Q(I);
- Vars
- S(b);XP(A)::QAB1(I)
- S(b);XP(G)::QAB1(I)
- P(g);SBLOCK,XP(E)::QAB1(I)
- S(b);::QAB1(I)
- Refutation
- K(f);P-FLIGHT,P_SPINS(b),XP(E)
- Try
- Q(I);
- Vars
- S(b);XP(A)::QAB1(I)
- S(b);XP(G)::QAB1(I)
- P(g);SBLOCK,XP(E)::QAB1(I)
- S(b);::QAB1(I)
- Refutation
- K(f);P-FLIGHT,P_SPINS(b),XP(E)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- P(g);SBLOCK,XP(E)::QAB1(I)
- Refutation
- P(d);XQ(I)
- Try
- Q(I);CHECK,XP(j)
- Vars
- K(f);P-FLIGHT::QAR1(I)
- Refutation
- K(f);P-FLIGHT,P_SPINS(b),XP(E)
- Try
- Q(I);
- Vars
- S(b);XP(A)::QAB1(I)
- S(b);XP(G)::QAB1(I)
- P(g);SBLOCK,XP(E)::QAB1(I)
- S(b);::QAB1(I)
- Refutation
- K(f);P-FLIGHT,P_SPINS(b),XP(E)
- Try
- P(E);XP(g)
- Vars
- P(i);N_GUARD,XP(E)::QAR1(I)
- S(b);::QAB1(I)
- Refutation
- B(e);XP(E)
- Try
- Actual
- Q(I);XP(h)
- Threat
- QAR1(I)
- Vars
- K(f);P-FLIGHT,P_SPINS(b),XP(E)::QAR2(I)
- S(b);XP(A)::S(D),XP(i)
- S(b);XP(G)::S(D),XP(i)
- P(g);SBLOCK,XP(E)::S(D),XP(a)
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).