MESON Chess Problem Database
Problem Display
PID: 245794 (2K3B1/4p3/2Pk4/6Q1/b4nN1/N1Rn4/5P2/8 w - - 0 1)
Wrobel, Marian
1st Prize, Peugeot-Echecs, 1959
#2
8 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Sb5#
- 1...Bc2
- 2.Sb5#
- 1...Bb3
- 2.Sb5#
- 1...Bb5
- 2.Sxb5#
- 1...Bxc6
- 2.Sc4#
- 1...Sc1
- 2.Qc5#
- 2.Qe5#
- 1...Se1
- 2.Qc5#
- 2.Qe5#
- 1...Sb2
- 2.Qc5#
- 2.Qe5#
- 1...Sxf2
- 2.Qc5#
- 2.Qe5#
- 1...Sb4
- 2.Qc5#
- 2.Qe5#
- 1...Sc5
- 2.Qxc5#
- 1...Se5
- 2.Qxe5#
- 1...Se2
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sh3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...e5
- 2.Qd8#
- 1...e6
- 2.Qd8#
- 1...Bd1
- Tries
- 1.Kb7?
- threat
- 2.Sc4#
- 1...Sc5+
- 2.Qxc5#
- 1...Bb3
- 2.Sb5#
- 1...Bb5
- 2.Sxb5#
- 1...Sb2
- 2.Qc5#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sd5
- 2.Qxd5#
- 1...e5
- 2.Qd8#
- 1...Bxc6+!
- threat
- 1.Se3?
- 1...Bxc6
- 2.Sac4#
- 2.Sec4#
- 1...Sxf2
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Se6
- 2.Qd5#
- 1...Bd1
- 2.Sb5#
- 1...Bc2
- 2.Sb5#
- 1...Bb3
- 2.Sb5#
- 1...Bb5
- 2.Sxb5#
- 1...Sc1
- 2.Qc5#
- 1...Se1
- 2.Qc5#
- 1...Sb2
- 2.Qc5#
- 1...Sb4
- 2.Qc5#
- 1...Se5
- 2.Sf5#
- 1...Se2
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sh3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...e5
- 2.Sf5#
- 2.Qd8#
- 1...e6!
- 1...Bxc6
- 1.Sf6?
- threat
- 2.Se4#
- 2.Se8#
- 1...Bxc6
- 2.Sc4#
- 1...Sxf2
- 2.Se8#
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...exf6!
- threat
- 1.Bf7?
- 1...Bxc6
- 2.Sc4#
- 1...Sxf2
- 2.Qc5#
- 2.Qe5#
- 1...Sc5
- 2.Qxc5#
- 1...Bd1
- 2.Sb5#
- 1...Bc2
- 2.Sb5#
- 1...Bb3
- 2.Sb5#
- 1...Bb5
- 2.Sxb5#
- 1...Sc1
- 2.Qc5#
- 2.Qe5#
- 1...Se1
- 2.Qc5#
- 2.Qe5#
- 1...Sb2
- 2.Qc5#
- 2.Qe5#
- 1...Sb4
- 2.Qc5#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Se2
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sh3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...e5
- 2.Qd8#
- 1...e6
- 2.Qd8#
- 1...Se6!
- 1...Bxc6
- 1.Rxd3+?
- 1...Sxd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Kxc6!
- 1...Sxd3
- 1.Qxf4+?
- 1...Se5
- 2.Qxe5#
- 2.Qb4#
- 2.Qd4#
- 1...e5
- 2.Qf6#
- 2.Qf8#
- 1...Sxf4!
- 1...Se5
- 1.Qf6+?
- 1...Se6
- 2.Qxe6#
- 1...e6
- 2.Qd8#
- 1...exf6!
- 1...Se6
- 1.Qa5?
- threat
- 2.Qc7#
- 2.Qd8#
- 1...Bxc6
- 2.Sc4#
- 2.Qc7#
- 1...Sc5
- 2.Qc7#
- 2.Qxc5#
- 1...e6
- 2.Qd8#
- 1...Se5
- 2.Qb4#
- 2.Qc7#
- 2.Qc5#
- 2.Qxe5#
- 1...Sd5
- 2.Qd8#
- 2.Qxd5#
- 1...Se6!
- threat
- 1.Qf5?
- threat
- 2.Qd7#
- 1...Bxc6
- 2.Sc4#
- 1...Sc5
- 2.Qxc5#
- 1...Se6
- 2.Qxe6#
- 1...Se5
- 2.Qxe5#
- 1...e6!
- threat
- 1.f3?
- 1...Bxc6
- 2.Sc4#
- 1...Sc5
- 2.Qxc5#
- 1...Bd1
- 2.Sb5#
- 1...Bc2
- 2.Sb5#
- 1...Bb3
- 2.Sb5#
- 1...Bb5
- 2.Sxb5#
- 1...Sc1
- 2.Qc5#
- 2.Qe5#
- 1...Se1
- 2.Qc5#
- 2.Qe5#
- 1...Sb2
- 2.Qc5#
- 2.Qe5#
- 1...Sf2
- 2.Qc5#
- 2.Qe5#
- 1...Sb4
- 2.Qc5#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Se2
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sh3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...e5
- 2.Qd8#
- 1...e6
- 2.Qd8#
- 1...Se6!
- 1...Bxc6
- 1.Kb7?
- Keys
- 1.Sh6!
- 1...Bxc6
- 2.Sc4#
- 1...Sxf2
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Se6
- 2.Sf7#
- 1...Bd1
- 2.Sb5#
- 1...Bc2
- 2.Sb5#
- 1...Bb3
- 2.Sb5#
- 1...Bb5
- 2.Sxb5#
- 1...Sc1
- 2.Qc5#
- 1...Se1
- 2.Qc5#
- 1...Sb2
- 2.Qc5#
- 1...Sb4
- 2.Qc5#
- 1...Se5
- 2.Sf5#
- 1...Se2
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sh3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...e5
- 2.Sf5#
- 2.Qd8#
- 1...e6
- 2.Sf7#
- 1...Bxc6
- 1.Sh6!
This is a version
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- B(b);SBLOCK,XP(F)::S(B)
- S(a);N_GUARD::QAB1(E),XS(a)
- S(c);N_GUARD::QAR1(E)
- S(c);N_GUARD::QAR1(E),XS(c)
- P(e);OGATE::QAR2(E)
- Tries
- Try
- K(G);S_FLIGHT
- Threat
- S(B)
- Vars
- S(a);CHECK,N_GUARD::QAB1(E),XS(a)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- S(a);N_GUARD::QAB1(E),XS(a)
- S(c);N_GUARD::QAR1(E),XS(c)
- P(e);OGATE::QAR2(E)
- Refutation
- B(b);CHECK,XP(F)
- Try
- S(D);
- Vars
- S(a);N_GUARD,XP(A)::QAB1(E)
- S(a);N_GUARD::QAB1(E),XS(a)
- S(c);N_GUARD::QAR1(E)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- S(a);N_GUARD::QAB1(E)
- S(a);SBLOCK::S(D)
- S(c);N_GUARD::QAR1(E),XS(c)
- Refutation
- P(e);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(b);SBLOCK,XP(F)::S(B)
- S(a);N_GUARD::QAB1(E),XS(a)
- Refutation
- P(e);XS(D)
- Try
- B(H);
- Vars
- B(b);SBLOCK,XP(F)::S(B)
- S(a);N_GUARD::QAB1(E),XS(a)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- S(c);N_GUARD::QAR1(E)
- S(c);N_GUARD::QAR1(E),XS(c)
- P(e);OGATE::QAR2(E)
- Refutation
- S(c);
- Try
- R(C);CHECK,XS(a)
- Vars
- S(c);N_GUARD,XR(C)::QAR1(E)
- S(c);N_GUARD,P_SPINS(c)::QAR1(E),XS(c)
- Refutation
- K(d);P-FLIGHT,XP(F)
- Try
- Q(E);CHECK,XS(c)
- Refutation
- S(a);XQ(E)
- Try
- Q(E);CHECK
- Vars
- S(c);N_GUARD,P_SPINS(c)::QAR1(E),XS(c)
- P(e);OGATE,P_SPINP(e)::QAR2(E)
- Refutation
- P(e);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- P(e);::QAR2(E)
- Refutation
- S(c);
- Try
- Q(E);
- Threat
- QAR1(E)
- Vars
- B(b);SBLOCK,XP(F)::S(B)
- S(a);N_GUARD::QAB1(E),XS(a)
- S(c);N_GUARD::QAR1(E),XS(c)
- Refutation
- P(e);
- Try
- P(A);
- Vars
- B(b);SBLOCK,XP(F)::S(B)
- S(a);N_GUARD::QAB1(E),XS(a)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- S(c);N_GUARD::QAR1(E)
- S(c);N_GUARD::QAR1(E),XS(c)
- P(e);OGATE::QAR2(E)
- Refutation
- S(c);
- Try
- Actual
- S(D);
- Vars
- B(b);SBLOCK,XP(F)::S(B)
- S(a);N_GUARD,XP(A)::QAB1(E)
- S(a);N_GUARD::QAB1(E),XS(a)
- S(c);SBLOCK::S(D)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- S(a);N_GUARD::QAB1(E)
- S(a);SBLOCK::S(D)
- S(c);N_GUARD::QAR1(E)
- S(c);N_GUARD::QAR1(E),XS(c)
- P(e);SBLOCK::S(D)
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).