MESON Chess Problem Database

Problem Display
PID: 67334 (1K6/3p1nBb/1p2B3/1p1NP3/QP2k3/R2NP1R1/1n1P3r/5q2 w - - 0 1)

Dyachuk, Vasyl Vasilovich

3rd Prize, Kozlov MT, 1997

1K6/3p1nBb/1p2B3/1p1NP3/QP2k3/R2NP1R1/1n1P3r/5q2

#2

12 + 9

5417 FIDE Album (1995-1997) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Qe2
      • 2.Sf6#
    • 1...Qg2
      • 2.Sf6#
    • 1...Qh3
      • 2.Sf6#
    • 1...Qa1
      • 2.Sf6#
    • 1...Qb1
      • 2.Sf6#
    • 1...Qc1
      • 2.Sf6#
    • 1...Qd1
      • 2.Sf6#
    • 1...Qe1
      • 2.Sf6#
    • 1...Qg1
      • 2.Sf6#
    • 1...Qh1
      • 2.Sf6#
    • 1...Qf6
      • 2.Sxf6#
    • 1...Bf5
      • 2.Sf6#
    • 1...Sxd3
      • 2.Sc3#
  • Tries
    • 1.Se7?
      • threat
        • 2.Bd5#
      • 1...dxe6
        • 2.Qa8#
      • 1...d5
        • 2.Bxd5#
      • 1...Qxd3!
    • 1.Rg4+?
      • 1...Qf4
        • 2.Rxf4#
      • 1...Kf3!
    • 1.Qc2?
      • threat
        • 2.Sf2#
        • 2.Sc5#
        • 2.Sc3#
      • 1...Qxd3
        • 2.Sc3#
      • 1...Sxd3
        • 2.Sc3#
      • 1...Qf2
        • 2.Sxb2#
        • 2.Sxf2#
        • 2.Sc5#
        • 2.Sc3#
      • 1...Qf6
        • 2.Sc3#
        • 2.Sxf6#
      • 1...Rf2
        • 2.Sxf2#
        • 2.Sc5#
        • 2.Sc3#
      • 1...Sd1
        • 2.Sf2#
        • 2.Sc5#
      • 1...Sa4
        • 2.Sf2#
        • 2.Sc5#
      • 1...dxe6!
    • 1.Qxb5?
      • threat
        • 2.Sc3#
      • 1...Qxd3
        • 2.Sf6#
      • 1...Qc1
        • 2.Sf6#
      • 1...Sd1
        • 2.Qc4#
      • 1...Sa4
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#
      • 1...dxe6!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Sf6#
      • 1...Qxd3
        • 2.Sc3#
      • 1...Sxd3
        • 2.Sc3#
      • 1...dxe6
        • 2.Se7#
      • 1...Qf6
        • 2.Sxf6#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 11
  • Sets
    • Q(a);N_GUARD::S(H)
    • Q(a);N_GUARD::S(H),XQ(a)
    • B(i);S_CUTQ(a)::S(H)
    • S(b);SBLOCK,XS(C)::S(H)
  • Tries
    • Try
      • S(H);
      • Threat
        • B(J)
      • Vars
        • P(g);N_GUARD,XB(J)::QAB(F)
        • P(g);::B(J),XP(g)
      • Refutation
        • Q(a);XS(C)
    • Try
      • R(E);CHECK
      • Vars
        • Q(a);N_GUARD,P_PINP(I),P_SPINQ(a)::R1(E),XQ(a)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(F);
      • Threat
        • DUALS(3)
      • Vars
        • Q(a);P_SPINQ(a),XS(C)::S(H)
        • S(b);P_SPINS(b),XS(C)::S(H)
      • Refutation
        • P(g);XB(J)
    • Try
      • Q(F);XP(e)
      • Threat
        • S(H)
      • Vars
        • Q(a);N_GUARD,XS(C)::S(H)
        • Q(a);N_GUARD::S(H)
        • S(b);N_GUARD::QAR2(F)
        • S(b);N_GUARD::QAR2(F),XS(b)
      • Refutation
        • P(g);XB(J)
  • Actual
    • Q(F);
    • Threat
      • QAB(F)+S(H),DCHECK
    • Vars
      • Q(a);SBLOCK,XS(C)::QAB(F)+S(H),DCHECK
      • S(b);SBLOCK,XS(C)::QAB(F)+S(H),DCHECK
      • P(g);N_GUARD,XB(J)::QAB(F)+S(H)
      • Q(a);::QAB(F)+S(H),DCHECK,XQ(a)
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