MESON Chess Problem Database
Problem Display
PID: 17898 (8/8/p1Qp1p1p/P3kP1K/4p3/2P5/2Bn1PN1/8 w - - 0 1)
Vuksna, K
Sp. Prize, Soviet Ty., 1951
#2
8 + 7
| 3242 | BCPS Rapid Solving (Cheltenham) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Kxf5
- 2.Qd5#
- 1...Sb1
- 2.Qxe4#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sf3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 1...e3
- 2.f4#
- 1...d5
- 2.Qe6#
- 1...Kxf5
- Tries
- 1.Kg4?
- 1...Sb1
- 2.Qxe4#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sf3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 1...e3
- 2.f4#
- 1...d5
- 2.Qe6#
- 2.Qc7#
- 1...h5+!
- 1...Sb1
- 1.Kg6?
- 1...Sb1
- 2.Qxe4#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sf3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 1...e3
- 2.f4#
- 1...d5
- 2.Qe6#
- 2.Qxf6#
- 2.Qc7#
- 1...h5!
- 1...Sb1
- 1.Kxh6?
- 1...Sb1
- 2.Qxe4#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sf3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 1...e3
- 2.f4#
- 1...d5
- 2.Qe6#
- 1...Kxf5!
- 1...Sb1
- 1.Se3?
- 1...Sb1
- 2.Qxe4#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sf3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 1...d5
- 2.Qc7#
- 1...Kf4!
- 1...Sb1
- 1.Bb1?
- 1...Kxf5
- 2.Qd5#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sf3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 1...e3
- 2.f4#
- 1...d5
- 2.Qe6#
- 1...Sxb1!
- 1...Kxf5
- 1.Bd3?
- 1...Kxf5
- 2.Qd5#
- 1...Sb1
- 2.Qxe4#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sf3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 1...e3
- 2.f4#
- 1...d5
- 2.Qe6#
- 1...exd3!
- 1...Kxf5
- 1.Bxe4?
- threat
- 2.Qd5#
- 2.Qe8#
- 2.f4#
- 1...d5
- 2.Qxd5#
- 2.Qe6#
- 1...Sf3
- 2.Qd5#
- 2.Qe8#
- 1...Sxe4!
- threat
- 1.Qb7?
- 1...Kxf5
- 2.Qd5#
- 1...Sb1
- 2.Qxe4#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sf3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 1...e3
- 2.f4#
- 1...d5!
- 1...Kxf5
- 1.Qa8?
- 1...Kxf5
- 2.Qd5#
- 1...Sb1
- 2.Qxe4#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sf3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 1...e3
- 2.f4#
- 1...d5!
- 1...Kxf5
- 1.Qxd6+?
- 1...Kxf5
- 2.Se3#
- 2.Sh4#
- 2.Qd5#
- 1...Kxd6!
- 1...Kxf5
- 1.f3?
- 1...Kxf5
- 2.Qd5#
- 1...Sxf3
- 2.Qxe4#
- 1...Sb1
- 2.Qxe4#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 1...e3
- 2.f4#
- 1...d5
- 2.Qe6#
- 1...exf3!
- 1...Kxf5
- 1.f4+?
- 1...Kxf5
- 2.Qd5#
- 2.Qd7#
- 2.Qc8#
- 1...exf4 ep!
- 1...Kxf5
- 1.c4?
- threat
- 2.Qd5#
- 1...Kxf5
- 2.Qd5#
- 1...Sxc4
- 2.Qxe4#
- 1...d5
- 2.Qxd5#
- 1...Kd4!
- threat
- 1.Kg4?
- Keys
- 1.Sh4!
- 1...Kf4
- 2.Qxd6#
- 1...Sb1
- 2.Qxe4#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sf3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 1...e3
- 2.Sg6#
- 1...d5
- 2.Qc7#
- 1...Kf4
- 1.Sh4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(c);P-FLIGHT,P_SPINP(b),XP(F)::QAR2(H)
- S(a);N_GUARD::QAR1(H),XP(b)
- P(b);N_GUARD::P(B)
- P(e);OGATE::QAR1(H)
- Tries
- Try
- K(G);S_FLIGHT
- Vars
- S(a);N_GUARD::QAR1(H),XP(b)
- P(b);N_GUARD::P(B)
- Refutation
- P(g);CHECK
- Try
- K(G);S_FLIGHT
- Vars
- S(a);N_GUARD::QAR1(H),XP(b)
- P(b);N_GUARD::P(B)
- Refutation
- P(g);
- Try
- K(G);P-FLIGHT,XP(g)
- Vars
- S(a);N_GUARD::QAR1(H),XP(b)
- P(b);N_GUARD::P(B)
- P(e);OGATE::QAR1(H)
- Refutation
- K(c);P-FLIGHT,P_SPINP(b),XP(F)
- Try
- S(C);
- Vars
- S(a);N_GUARD::QAR1(H),XP(b)
- P(e);OGATEB::QAB(H)
- Refutation
- K(c);S_FLIGHT
- Try
- B(A);
- Vars
- K(c);P-FLIGHT,P_SPINP(b),XP(F)::QAR2(H)
- S(a);N_GUARD::QAR1(H),XP(b)
- P(b);N_GUARD::P(B)
- P(e);OGATE::QAR1(H)
- Refutation
- S(a);XB(A)
- Try
- B(A);
- Vars
- K(c);P-FLIGHT,P_SPINP(b),XP(F)::QAR2(H)
- S(a);N_GUARD::QAR1(H),XP(b)
- P(b);N_GUARD::P(B)
- P(e);OGATE::QAR1(H)
- Refutation
- P(b);XB(A)
- Try
- B(A);XP(b)
- Threat
- DUALS(3)
- Refutation
- S(a);XB(A)
- Try
- Q(H);
- Vars
- K(c);P-FLIGHT,P_SPINP(b),XP(F)::QAR2(H)
- S(a);N_GUARD::QAR1(H),XP(b)
- P(b);N_GUARD::P(B)
- Refutation
- P(e);
- Try
- Q(H);
- Vars
- K(c);P-FLIGHT,P_SPINP(b),XP(F)::QAR2(H)
- S(a);N_GUARD::QAR1(H),XP(b)
- P(b);N_GUARD::P(B)
- Refutation
- P(e);
- Try
- Q(H);CHECK,XP(e)
- Refutation
- K(c);S_FLIGHT,XQ(H)
- Try
- P(B);
- Vars
- K(c);P-FLIGHT,P_SPINP(b),XP(F)::QAR2(H)
- S(a);N_GUARD,XP(B)::QAR1(H),XP(b)
- S(a);N_GUARD::QAR1(H),XP(b)
- P(b);::P(B)
- P(e);OGATE::QAR1(H)
- Refutation
- P(b);XP(B)
- Try
- P(B);CHECK
- Refutation
- P(b);EP,XP(B)
- Try
- P(D);
- Threat
- QAR1(H)
- Vars
- K(c);P-FLIGHT,P_SPINP(b),XP(F)::QAR2(H)
- S(a);N_GUARD,XP(D)::QAR1(H),XP(b)
- P(e);::QAR1(H),XP(e)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- S(C);
- Vars
- K(c);S_FLIGHT::QAB(H),XP(e)
- S(a);N_GUARD::QAR1(H),XP(b)
- P(b);::S(C)
- P(e);OGATEB,SBLOCK::QAB(H)
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).