MESON Chess Problem Database
Problem Display
PID: 97030 (K2Q1N2/4P3/pBpn1P2/rqn1k2b/2PN1R1r/bp3PP1/4P3/1B1R4 w - - 0 1)
Pituk, Alexander
Problem (Zagreb), 1958
#2
14 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxc4
- 2.Sxc6#
- 1...Qb4
- 2.Sxc6#
- 1...Bxf3
- 2.Sxf3#
- 2.Sg6#
- 1...Bg4
- 2.Sg6#
- 1...Bg6
- 2.Sxg6#
- 1...Sd3
- 2.Sd7#
- 1...Sa4
- 2.Sd7#
- 1...Sce4
- 2.Sd7#
- 1...Se6
- 2.Sd7#
- 1...Scb7
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sxc4
- 2.Rf5#
- 1...Sde4
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sdb7
- 2.Rf5#
- 1...Sf7
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Se8
- 2.Rf5#
- 1...Qxc4
- Tries
- 1.Sxb3?
- threat
- 2.Qxd6#
- 1...Sxc4
- 2.Rf5#
- 2.Qd4#
- 1...Sf5
- 2.Rxf5#
- 1...Sd3
- 2.Bd4#
- 1...Sa4
- 2.Bd4#
- 1...Sce4
- 2.Bd4#
- 1...Se6
- 2.Sd7#
- 1...Scb7
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sde4
- 2.Qd4#
- 1...Sdb7
- 2.Rf5#
- 2.Qd4#
- 1...Sf7
- 2.Rf5#
- 2.Qd4#
- 1...Sc8
- 2.Rf5#
- 2.Qd4#
- 1...Se8
- 2.Rf5#
- 2.Qd4#
- 1...Sxb3!
- threat
- 1.Sxb5?
- threat
- 2.Qxd6#
- 1...Sxc4
- 2.Rf5#
- 2.Qd4#
- 1...Sxb5
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sd3
- 2.Bd4#
- 1...Sa4
- 2.Bd4#
- 1...Sce4
- 2.Bd4#
- 1...Se6
- 2.Sd7#
- 1...Scb7
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sde4
- 2.Qd4#
- 1...Sdb7
- 2.Rf5#
- 2.Qd4#
- 1...Sf7
- 2.Rf5#
- 2.Qd4#
- 1...Sc8
- 2.Rf5#
- 2.Qd4#
- 1...Se8
- 2.Rf5#
- 2.Qd4#
- 1...axb5+!
- threat
- 1.Sde6?
- threat
- 2.Qxd6#
- 1...Sxe6
- 2.Sd7#
- 1...Sxc4
- 2.Rf5#
- 2.Qd4#
- 1...Sf5
- 2.Rxf5#
- 1...Sd3
- 2.Bd4#
- 1...Sa4
- 2.Bd4#
- 1...Sce4
- 2.Bd4#
- 1...Scb7
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sde4
- 2.Qd4#
- 1...Sdb7
- 2.Rf5#
- 2.Qd4#
- 1...Sf7
- 2.Rf5#
- 2.Qd4#
- 1...Sc8
- 2.Rf5#
- 2.Qd4#
- 1...Se8
- 2.Rf5#
- 2.Qd4#
- 1...Rxf4!
- threat
- 1.Qc7?
- threat
- 2.Rf5#
- 1...Bg4
- 2.Sg6#
- 1...Bg6
- 2.Sxg6#
- 1...Rxf4!
- threat
- 1.Qb8?
- threat
- 2.Rf5#
- 1...Bg4
- 2.Sg6#
- 1...Bg6
- 2.Sxg6#
- 1...Rxf4!
- threat
- 1.e8Q+?
- 1...Se6
- 2.Sd7#
- 2.Qxe6#
- 1...Sxe8
- 2.Rf5#
- 1...Bxe8!
- 1...Se6
- 1.e8S?
- threat
- 2.Qxd6#
- 1...Sxc4
- 2.Rf5#
- 1...Sxe8
- 2.Rf5#
- 1...Sd3
- 2.Sd7#
- 2.Qe7#
- 1...Sa4
- 2.Sd7#
- 2.Qe7#
- 1...Sce4
- 2.Sd7#
- 2.Qe7#
- 1...Se6
- 2.Sd7#
- 1...Scb7
- 2.Sd7#
- 2.Qe7#
- 1...Sd7
- 2.Sxd7#
- 2.Qe7#
- 1...Sde4
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sdb7
- 2.Rf5#
- 1...Sf7
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Bxe8!
- threat
- 1.e8R+?
- 1...Se6
- 2.Sd7#
- 2.Rxe6#
- 1...Sxe8
- 2.Rf5#
- 1...Bxe8!
- 1...Se6
- 1.Sxb3?
- Keys
- 1.Sf5!
- threat
- 2.Qxd6#
- 1...Kxf6
- 2.e8Q#
- 1...Sxc4
- 2.Qd4#
- 1...Sxf5
- 2.Rxf5#
- 1...Sd3
- 2.Bd4#
- 1...Sa4
- 2.Bd4#
- 1...Sce4
- 2.Bd4#
- 1...Se6
- 2.Sd7#
- 1...Scb7
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sde4
- 2.Qd4#
- 1...Sdb7
- 2.Qd4#
- 1...Sf7
- 2.Qd4#
- 1...Sc8
- 2.Qd4#
- 1...Se8
- 2.Qd4#
- threat
- 1.Sf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 11
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- Q(e);N_GUARD,XP(F)::S(G),XP(j)
- Q(e);N_GUARD::S(G),XP(j)
- B(h);N_GUARD::S(N)
- B(h);N_GUARD::S(N),XB(h)
- S(f);N_GUARD::S(N)
- S(f);N_GUARD::S(N),XS(f)
- S(k);N_GUARD,XP(F)::R1(H)
- S(k);N_GUARD::R1(H)
- S(k);N_GUARD::R1(H),XS(k)
- Tries
- Try
- S(G);XP(b)
- Threat
- QAB1(M),XS(k)
- Vars
- S(k);N_GUARD::R1(H),XS(k)
- S(f);OGATE::B(I)
- S(f);N_GUARD,SBLOCK::S(N)
- S(k);OGATE::QAB1(M)
- Refutation
- S(f);XS(G)
- Try
- S(G);XQ(e)
- Threat
- QAB1(M),XS(k)
- Vars
- S(k);N_GUARD,XS(G)::R1(H)
- S(k);N_GUARD::R1(H),XS(k)
- S(f);OGATE::B(I)
- S(f);N_GUARD,SBLOCK::S(N)
- S(k);OGATE::QAB1(M)
- Refutation
- P(i);CHECK,XS(G)
- Try
- S(G);
- Threat
- QAB1(M),XS(k)
- Vars
- S(f);N_GUARD,SBLOCK,XS(G)::S(N)
- S(k);N_GUARD::R1(H),XS(k)
- S(f);OGATE::B(I)
- S(k);OGATE::QAB1(M)
- Refutation
- R(c);XR(H)
- Try
- Q(M);P_PINS(k)
- Threat
- R1(H)
- Vars
- B(h);N_GUARD::S(N)
- B(h);N_GUARD::S(N),XB(h)
- Refutation
- R(c);XR(H)
- Try
- Q(M);P_PINS(k)
- Threat
- R1(H)
- Vars
- B(h);N_GUARD::S(N)
- B(h);N_GUARD::S(N),XB(h)
- Refutation
- R(c);XR(H)
- Try
- P(K);CHECK
- Vars
- S(k);XQ(K)::R1(H)
- Refutation
- B(h);XQ(K)
- Try
- P(K);
- Threat
- QAB1(M),XS(k)
- Vars
- S(k);N_GUARD,XP(F)::R1(H)
- S(k);N_GUARD,XS(K)::R1(H)
- S(f);N_GUARD::S(N)
- S(k);N_GUARD::R1(H)
- S(k);N_GUARD::R1(H),XS(k)
- Refutation
- B(h);XS(K)
- Try
- P(K);CHECK
- Vars
- S(k);XR(K)::R1(H)
- Refutation
- B(h);XR(K)
- Try
- Actual
- S(G);
- Threat
- QAB1(M),XS(k)
- Vars
- K(g);S_FLIGHT,XP(J)::P=Q
- S(k);OGATE,XP(F)::QAB1(M)
- S(k);OGATE,XS(G)::R1(H),XS(k)
- S(f);OGATE::B(I)
- S(f);N_GUARD,SBLOCK::S(N)
- S(k);OGATE::QAB1(M)
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).