MESON Chess Problem Database
Problem Display
PID: 225791 (8/4K3/3N4/4P2R/1Qpk1bR1/B3p3/3nnPB1/1N6 w - - 0 1)
Slesarenko, Anatoly Vasilevich
Sp. HM., Praca, 2001
#2
10 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sxb1
- 2.Qxc4#
- 1...Sf1
- 2.Qxc4#
- 1...Sb3
- 2.Qxc4#
- 1...Sf3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sc1
- 2.Qc3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...exf2
- 2.Qxd2#
- 1...Sxb1
- Tries
- 1.Ke6?
- 1...Sxb1
- 2.Qxc4#
- 1...exf2
- 2.Qxd2#
- 1...Sf1
- 2.Qxc4#
- 1...Sb3
- 2.Qxc4#
- 1...Sf3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sc1
- 2.Qc3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Kd3!
- 1...Sxb1
- 1.Kd7?
- 1...Sxb1
- 2.Qxc4#
- 1...exf2
- 2.Qxd2#
- 1...Sf3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sf1
- 2.Qxc4#
- 1...Sb3
- 2.Qxc4#
- 1...Sc1
- 2.Qc3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Kd3!
- 1...Sxb1
- 1.Kf7?
- 1...Sxb1
- 2.Qxc4#
- 1...exf2
- 2.Qxd2#
- 1...Sf3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sf1
- 2.Qxc4#
- 1...Sb3
- 2.Qxc4#
- 1...Sc1
- 2.Qc3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Kd3!
- 1...Sxb1
- 1.Kd8?
- 1...Sxb1
- 2.Qxc4#
- 1...exf2
- 2.Qxd2#
- 1...Sf3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sf1
- 2.Qxc4#
- 1...Sb3
- 2.Qxc4#
- 1...Sc1
- 2.Qc3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Kd3!
- 1...Sxb1
- 1.Ke8?
- 1...Sxb1
- 2.Qxc4#
- 1...exf2
- 2.Qxd2#
- 1...Sf3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sf1
- 2.Qxc4#
- 1...Sb3
- 2.Qxc4#
- 1...Sc1
- 2.Qc3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Kd3!
- 1...Sxb1
- 1.Kf8?
- 1...Sxb1
- 2.Qxc4#
- 1...exf2
- 2.Qxd2#
- 1...Sf3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sf1
- 2.Qxc4#
- 1...Sb3
- 2.Qxc4#
- 1...Sc1
- 2.Qc3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Kd3!
- 1...Sxb1
- 1.Sf5+?
- 1...Kxe5
- 2.Qa5#
- 2.Qc5#
- 2.Qd6#
- 2.Qb5#
- 2.Qb8#
- 1...Kd3!
- 1...Kxe5
- 1.Bh1?
- 1...Sxb1
- 2.Qxc4#
- 1...exf2
- 2.Qxd2#
- 1...Sf3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sf1
- 2.Qxc4#
- 1...Sb3
- 2.Qxc4#
- 1...Sc1
- 2.Qc3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Kd3!
- 1...Sxb1
- 1.Bf3?
- 1...Sxb1
- 2.Qxc4#
- 1...Sxf3
- 2.Qxc4#
- 1...exf2
- 2.Qxd2#
- 1...Se4
- 2.Qxc4#
- 1...Sf1
- 2.Qxc4#
- 1...Sb3
- 2.Qxc4#
- 1...Sc1
- 2.Qc3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Kd3!
- 1...Sxb1
- 1.Be4?
- threat
- 2.Qc5#
- 2.Qb6#
- 1...Sxb1
- 2.Qxc4#
- 1...Sxe4
- 2.Qxc4#
- 1...Sb3
- 2.Qxc4#
- 1...Bg5+!
- threat
- 1.Bc6?
- 1...Sxb1
- 2.Qxc4#
- 1...exf2
- 2.Qxd2#
- 1...Sc1
- 2.Qc3#
- 1...Sf1
- 2.Qxc4#
- 1...Sb3
- 2.Qxc4#
- 1...Sf3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Kd3!
- 1...Sxb1
- 1.Bb7?
- 1...Sxb1
- 2.Qxc4#
- 1...exf2
- 2.Qxd2#
- 1...Sc1
- 2.Qc3#
- 1...Sf1
- 2.Qxc4#
- 1...Sb3
- 2.Qxc4#
- 1...Sf3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Kd3!
- 1...Sxb1
- 1.Ba8?
- 1...Sxb1
- 2.Qxc4#
- 1...exf2
- 2.Qxd2#
- 1...Sc1
- 2.Qc3#
- 1...Sf1
- 2.Qxc4#
- 1...Sb3
- 2.Qxc4#
- 1...Sf3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Kd3!
- 1...Sxb1
- 1.Rxf4+?
- 1...Se4
- 2.Qxc4#
- 1...Sxf4
- 2.Qc3#
- 1...Kd3!
- 1...Se4
- 1.Rgh4?
- 1...Sxb1
- 2.Qxc4#
- 1...exf2
- 2.Qxd2#
- 1...Sf3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sc1
- 2.Qc3#
- 1...Sf1
- 2.Qxc4#
- 1...Sb3
- 2.Qxc4#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Kd3!
- 1...Sxb1
- 1.Rf5?
- 1...Sxb1
- 2.Qxc4#
- 1...exf2
- 2.Qxd2#
- 1...Sf3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sc1
- 2.Qc3#
- 1...Sf1
- 2.Qxc4#
- 1...Sb3
- 2.Qxc4#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Kd3!
- 1...Sxb1
- 1.Rhg5?
- 1...Sxb1
- 2.Qxc4#
- 1...exf2
- 2.Qxd2#
- 1...Sf3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sc1
- 2.Qc3#
- 1...Sf1
- 2.Qxc4#
- 1...Sb3
- 2.Qxc4#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Kd3!
- 1...Sxb1
- 1.fxe3+?
- 1...Kd3
- 2.Qxd2#
- 1...Kxe3!
- 1...Kd3
- 1.e6?
- threat
- 2.Rd5#
- 1...exf2
- 2.Qxd2#
- 1...Sf3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sc3
- 2.Qxc3#
- 1...Kd3!
- threat
- 1.Ke6?
- Keys
- 1.Bf1!
- 1...Kd3
- 2.Qc3#
- 1...Kd5
- 2.Qc5#
- 1...Sxb1
- 2.Qxc4#
- 1...Sxf1
- 2.Qxc4#
- 1...exf2
- 2.Qxd2#
- 1...Sb3
- 2.Qxc4#
- 1...Sf3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sc1
- 2.Qc5#
- 1...Sg1
- 2.Qc5#
- 1...Sc3
- 2.Qc5#
- 1...Sg3
- 2.Qc5#
- 1...Kd3
- 1.Bf1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(b);N_GUARD::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- Tries
- Try
- K(J);P-FLIGHT
- Vars
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(b);N_GUARD::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT
- Try
- K(J);P-FLIGHT
- Vars
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(b);N_GUARD::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT
- Try
- K(J);P-FLIGHT
- Vars
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(b);N_GUARD::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT
- Try
- K(J);S_FLIGHT
- Vars
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(b);N_GUARD::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT
- Try
- K(J);P-FLIGHT
- Vars
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(b);N_GUARD::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT
- Try
- K(J);S_FLIGHT
- Vars
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(b);N_GUARD::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT
- Try
- S(I);CHECK
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT
- Try
- B(C);
- Vars
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(b);N_GUARD::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT
- Try
- B(C);
- Vars
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- S(a);N_GUARD,XB(C)::QAR1(E),XP(d)
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(b);N_GUARD::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT
- Try
- B(C);N_PINB(f)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- S(a);N_GUARD,XB(C)::QAR1(E),XP(d)
- S(a);N_GUARD::QAR1(E),XP(d)
- Refutation
- B(f);CHECK
- Try
- B(C);
- Vars
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- S(b);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT
- Try
- B(C);
- Vars
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- S(b);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT
- Try
- B(C);
- Vars
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- S(b);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT
- Try
- R(F);CHECK,XB(f)
- Vars
- S(a);P_SPINS(a)::QAR1(E),XP(d)
- S(b);XR(F)::QAB1(E)
- Refutation
- K(e);N_SPINP(d),P-FLIGHT
- Try
- R(F);
- Vars
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(b);N_GUARD::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT
- Try
- R(H);
- Vars
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(b);N_GUARD::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT
- Try
- R(H);
- Vars
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(b);N_GUARD::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT
- Try
- P(B);CHECK,XP(c)
- Vars
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT::QAR1(E),XS(a)
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),S_FLIGHT,XP(B)
- Try
- P(G);
- Threat
- R1(H)
- Vars
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(b);N_GUARD::QAB1(E),XS(b)
- Refutation
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT
- Try
- Actual
- B(C);
- Vars
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT,P_SPINS(b)::QAR1(E)
- K(e);N_SPINB(f),N_SPINP(d),P-FLIGHT::QAR1(E)
- S(a);N_GUARD,XS(A)::QAR1(E),XP(d)
- S(a);N_GUARD,XB(C)::QAR1(E),XP(d)
- P(c);N_GUARD,XP(B)::QAR2(E),XS(a)
- S(a);N_GUARD::QAR1(E),XP(d)
- S(a);N_GUARD,N_SPINB(f)::QAR1(E),XP(d)
- S(b);::QAB1(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).