MESON Chess Problem Database
Problem Display
PID: 30091 (8/1p2p3/1P1pP3/1PPP3p/bBnkP2R/3N2Q1/2R1P1p1/Nn4K1 w - - 0 1)
Stocchi, Ottavio
1st HM., Polish Problem Assoc. TT, 1948-1949
#2
14 + 9
| 3100 | Selected Stocchi (I) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Bxc2
- 2.Sxc2#
- 1...Bb3
- 2.Sxb3#
- 1...Bxb5
- 2.Sb3#
- 1...Sbd2
- 2.Bc3#
- 1...Sba3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sb2
- 2.Qf2#
- 1...Scd2
- 2.Qf2#
- 1...Sca3
- 2.Qf2#
- 1...Se3
- 2.Qg7#
- 1...Sa5
- 2.Qf2#
- 1...Se5
- 2.Qf2#
- 1...Sxb6
- 2.Qf2#
- 1...dxc5
- 2.Bxc5#
- 1...Bxc2
- Tries
- 1.Kxg2?
- 1...Bxc2
- 2.Sxc2#
- 1...Bxb5
- 2.Sb3#
- 1...Sxb6
- 2.Qf2#
- 1...dxc5
- 2.Bxc5#
- 1...Bb3
- 2.Sxb3#
- 1...Sbd2
- 2.Bc3#
- 1...Sba3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sb2
- 2.Qf2#
- 1...Scd2
- 2.Qf2#
- 1...Sca3
- 2.Qf2#
- 1...Sa5
- 2.Qf2#
- 1...Se5
- 2.Qf2#
- 1...Se3+!
- 1...Bxc2
- 1.Sc1?
- 1...Bxc2
- 2.Sxc2#
- 1...Bxb5
- 2.Sab3#
- 2.Scb3#
- 1...Sxb6
- 2.e3#
- 1...Bb3
- 2.Saxb3#
- 2.Scxb3#
- 1...Sbd2
- 2.Qc3#
- 1...Sba3
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sb2
- 2.e3#
- 1...Scd2
- 2.e3#
- 1...Sca3
- 2.e3#
- 1...Se3
- 2.Qg7#
- 1...Sa5
- 2.e3#
- 1...Se5
- 2.Qf2#
- 2.e3#
- 1...dxc5!
- 1...Bxc2
- 1.Se1?
- 1...Bxc2
- 2.Saxc2#
- 2.Sexc2#
- 1...Bxb5
- 2.Sb3#
- 1...Sxb6
- 2.e3#
- 1...Bb3
- 2.Sxb3#
- 1...Sbd2
- 2.Qc3#
- 1...Sba3
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sb2
- 2.e3#
- 1...Scd2
- 2.e3#
- 1...Sca3
- 2.e3#
- 1...Se3
- 2.Sf3#
- 2.Qg7#
- 1...Sa5
- 2.e3#
- 1...Se5
- 2.Qf2#
- 2.e3#
- 1...dxc5!
- 1...Bxc2
- 1.Sb2?
- threat
- 2.Rxc4#
- 1...Bxc2
- 2.Sxc2#
- 1...Bxb5
- 2.Sb3#
- 1...Sxb6
- 2.e3#
- 1...Bb3
- 2.Sxb3#
- 1...Sbd2
- 2.Qc3#
- 1...Sba3
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Scd2
- 2.e3#
- 1...Sca3
- 2.e3#
- 1...Se3
- 2.Qg7#
- 1...Sa5
- 2.e3#
- 1...Se5
- 2.Qf2#
- 2.e3#
- 1...Sxb2!
- threat
- 1.Sf2?
- 1...Bxc2
- 2.Sxc2#
- 1...Bxb5
- 2.Sb3#
- 1...Sxb6
- 2.e3#
- 1...Bb3
- 2.Sxb3#
- 1...Sbd2
- 2.Qc3#
- 1...Sba3
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sb2
- 2.e3#
- 1...Scd2
- 2.e3#
- 1...Sca3
- 2.e3#
- 1...Se3
- 2.Qg7#
- 1...Sa5
- 2.e3#
- 1...Se5
- 2.e3#
- 1...dxc5!
- 1...Bxc2
- 1.Ba5?
- 1...Bxc2
- 2.Sxc2#
- 1...Bxb5
- 2.Sb3#
- 1...Sxa5
- 2.Qf2#
- 1...Sxb6
- 2.Qf2#
- 1...Bb3
- 2.Sxb3#
- 1...Sbd2
- 2.Bc3#
- 1...Sba3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sb2
- 2.Qf2#
- 1...Scd2
- 2.Qf2#
- 1...Sca3
- 2.Qf2#
- 1...Se3
- 2.Qg7#
- 1...Se5
- 2.Qf2#
- 1...dxc5!
- 1...Bxc2
- 1.Rc1?
- 1...Bxb5
- 2.Sc2#
- 2.Sb3#
- 1...Sxb6
- 2.Qf2#
- 1...dxc5
- 2.Bxc5#
- 1...Bc2
- 2.Sxc2#
- 1...Bb3
- 2.Sxb3#
- 1...Sbd2
- 2.Bc3#
- 1...Sba3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sb2
- 2.Qf2#
- 1...Scd2
- 2.Qf2#
- 1...Sca3
- 2.Qf2#
- 1...Se3
- 2.Qg7#
- 1...Sa5
- 2.Qf2#
- 1...Se5
- 2.Qf2#
- 1...Bd1!
- 1...Bxb5
- 1.Rf4?
- 1...Bxc2
- 2.Sxc2#
- 1...Bxb5
- 2.Sb3#
- 1...Sxb6
- 2.Qf2#
- 1...dxc5
- 2.Bxc5#
- 1...Bb3
- 2.Sxb3#
- 1...Sbd2
- 2.Bc3#
- 1...Sba3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sb2
- 2.Qf2#
- 1...Scd2
- 2.Qf2#
- 1...Sca3
- 2.Qf2#
- 1...Se3
- 2.Qg7#
- 1...Sa5
- 2.Qf2#
- 1...Se5
- 2.Qf2#
- 1...h4!
- 1...Bxc2
- 1.Qf4?
- 1...Bxc2
- 2.Sxc2#
- 1...Bxb5
- 2.Sb3#
- 1...Sxb6
- 2.Qf2#
- 1...dxc5
- 2.Bxc5#
- 1...Bb3
- 2.Sxb3#
- 1...Sbd2
- 2.Bc3#
- 1...Sba3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sb2
- 2.Qf2#
- 1...Scd2
- 2.Qf2#
- 1...Sca3
- 2.Qf2#
- 1...Sa5
- 2.Qf2#
- 1...Se5
- 2.Qf2#
- 1...Se3!
- 1...Bxc2
- 1.Qf3?
- threat
- 2.e5#
- 1...Sbd2
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Scd2
- 2.Qf2#
- 1...Se5
- 2.Qf2#
- 1...Se3!
- threat
- 1.cxd6?
- threat
- 2.Bc5#
- 1...Bxc2
- 2.Sxc2#
- 1...exd6!
- threat
- 1.c6?
- 1...Bxc2
- 2.Sxc2#
- 1...Bxb5
- 2.Sb3#
- 1...Sxb6
- 2.Qf2#
- 1...Se3
- 2.Qg7#
- 1...Bb3
- 2.Sxb3#
- 1...Sbd2
- 2.Bc3#
- 1...Sba3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sb2
- 2.Qf2#
- 1...Scd2
- 2.Qf2#
- 1...Sca3
- 2.Qf2#
- 1...Sa5
- 2.Qf2#
- 1...Se5
- 2.Qf2#
- 1...bxc6!
- 1...Bxc2
- 1.Kxg2?
- Keys
- 1.Se5!
- threat
- 2.Rxc4#
- 1...Bxc2
- 2.Sxc2#
- 1...Bxb5
- 2.Sb3#
- 1...Sxe5
- 2.Qf2#
- 1...Sxb6
- 2.e3#
- 1...dxe5
- 2.Qd3#
- 1...Bb3
- 2.Sxb3#
- 1...Sbd2
- 2.Qc3#
- 1...Sba3
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sb2
- 2.e3#
- 1...Scd2
- 2.e3#
- 1...Sca3
- 2.e3#
- 1...Se3
- 2.Sf3#
- 1...Sa5
- 2.e3#
- threat
- 1.Se5!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 9
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(c);XR(C)::S(A),XB(c)
- B(c);N_GUARD::S(A),XB(c)
- B(c);N_GUARD,XP(J)::S(A)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(d);N_GUARD::QAB(F)
- S(d);N_GUARD,SBLOCK::QAB(F)
- S(d);N_GUARD,XP(M)::QAB(F)
- P(g);OGATE,XP(K)::B(G),XP(g)
- Tries
- Try
- K(B);P-FLIGHT,XP(b)
- Vars
- B(c);XR(C)::S(A),XB(c)
- B(c);N_GUARD,XP(J)::S(A)
- S(d);N_GUARD,XP(M)::QAB(F)
- P(g);OGATE,XP(K)::B(G),XP(g)
- B(c);N_GUARD::S(A),XB(c)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(d);N_GUARD::QAB(F)
- Refutation
- S(d);CHECK
- Try
- S(E);
- Vars
- B(c);XR(C)::S(A),XB(c)
- S(d);N_GUARD,XP(M)::P(D)
- S(a);N_GUARD::QAB1(F)
- S(a);N_GUARD::QAB1(F),XS(a)
- S(d);N_GUARD::P(D)
- S(d);N_GUARD,SBLOCK::QAB(F)
- Refutation
- P(g);XP(K)
- Try
- S(E);
- Vars
- B(c);N_GUARD,XP(J)::S(A)
- S(d);N_GUARD,XP(M)::P(D)
- B(c);N_GUARD::S(A),XB(c)
- S(a);N_GUARD::QAB1(F)
- S(a);N_GUARD::QAB1(F),XS(a)
- S(d);N_GUARD::P(D)
- Refutation
- P(g);XP(K)
- Try
- S(E);
- Threat
- R1(C),XS(d)
- Vars
- B(c);XR(C)::S(A),XB(c)
- B(c);N_GUARD,XP(J)::S(A)
- S(d);N_GUARD,XP(M)::P(D)
- B(c);N_GUARD::S(A),XB(c)
- S(a);N_GUARD::QAB1(F)
- S(a);N_GUARD::QAB1(F),XS(a)
- S(d);N_GUARD::P(D)
- S(d);N_GUARD,SBLOCK::QAB(F)
- Refutation
- S(d);XS(E)
- Try
- S(E);
- Vars
- B(c);XR(C)::S(A),XB(c)
- B(c);N_GUARD,XP(J)::S(A)
- S(d);N_GUARD,XP(M)::P(D)
- B(c);N_GUARD::S(A),XB(c)
- S(a);N_GUARD::QAB1(F)
- S(a);N_GUARD::QAB1(F),XS(a)
- S(d);N_GUARD::P(D)
- S(d);N_GUARD,SBLOCK::QAB(F)
- Refutation
- P(g);XP(K)
- Try
- B(G);
- Vars
- B(c);XR(C)::S(A),XB(c)
- B(c);N_GUARD,XP(J)::S(A)
- S(d);N_GUARD,XB(G)::QAB(F)
- S(d);N_GUARD,XP(M)::QAB(F)
- B(c);N_GUARD::S(A),XB(c)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(d);N_GUARD::QAB(F)
- S(d);N_GUARD,SBLOCK::QAB(F)
- Refutation
- P(g);XP(K)
- Try
- R(C);
- Vars
- S(d);N_GUARD,XP(M)::QAB(F)
- P(g);OGATE,XP(K)::B(G),XP(g)
- B(c);N_GUARD::S(A),XB(c)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(d);N_GUARD::QAB(F)
- S(d);N_GUARD,SBLOCK::QAB(F)
- Refutation
- B(c);
- Try
- R(I);
- Vars
- B(c);XR(C)::S(A),XB(c)
- B(c);N_GUARD,XP(J)::S(A)
- S(d);N_GUARD,XP(M)::QAB(F)
- P(g);OGATE,XP(K)::B(G),XP(g)
- B(c);N_GUARD::S(A),XB(c)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(d);N_GUARD::QAB(F)
- S(d);N_GUARD,SBLOCK::QAB(F)
- Refutation
- P(f);
- Try
- Q(F);
- Vars
- B(c);XR(C)::S(A),XB(c)
- B(c);N_GUARD,XP(J)::S(A)
- S(d);N_GUARD,XP(M)::QAB(F)
- P(g);OGATE,XP(K)::B(G),XP(g)
- B(c);N_GUARD::S(A),XB(c)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(d);N_GUARD::QAB(F)
- Refutation
- S(d);
- Try
- Q(F);
- Threat
- R(I)+P(H)
- Vars
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(d);N_GUARD::QAB(F)
- Refutation
- S(d);
- Try
- P(K);XP(g)
- Threat
- B(G)
- Vars
- B(c);XR(C)::S(A),XB(c)
- Refutation
- P(i);XP(K)
- Try
- P(K);
- Vars
- B(c);XR(C)::S(A),XB(c)
- B(c);N_GUARD,XP(J)::S(A)
- S(d);N_GUARD,XP(M)::QAB(F)
- S(d);N_GUARD,SBLOCK::QAB(F)
- B(c);N_GUARD::S(A),XB(c)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(d);N_GUARD::QAB(F)
- Refutation
- P(h);XP(K)
- Try
- Actual
- S(E);
- Threat
- R1(C),XS(d)
- Vars
- B(c);XR(C)::S(A),XB(c)
- B(c);N_GUARD,XP(J)::S(A)
- S(d);N_GUARD,SBLOCK,XS(E)::QAB(F)
- S(d);N_GUARD,XP(M)::P(D)
- P(g);SBLOCK,XS(E)::QAR1(F)
- B(c);N_GUARD::S(A),XB(c)
- S(a);N_GUARD::QAB1(F)
- S(a);N_GUARD::QAB1(F),XS(a)
- S(d);N_GUARD::P(D)
- S(d);SBLOCK::S(E)
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).