MESON Chess Problem Database

Problem Display
PID: 75708 (2b1BKn1/8/1N1kNP2/nP4pQ/1PqBRp1r/b7/1p6/8 w - - 0 1)

Dyachuk, Vasyl Vasilovich

Slesarenko, Anatoly Vasilevich

2nd Prize, Reitman MT, 2000

2b1BKn1/8/1N1kNP2/nP4pQ/1PqBRp1r/b7/1p6/8

#2

10 + 10

6166 FIDE Album (1998-2000) 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Qf1
      • 2.Bc5#
    • 1...Qa2
      • 2.Bc5#
    • 1...Qe2
      • 2.Bc5#
    • 1...Qb3
      • 2.Bc5#
    • 1...Qd3
      • 2.Bc5#
    • 1...Qd5
      • 2.Sxc8#
    • 1...Qc5
      • 2.Bxc5#
    • 1...Bxe6
      • 2.Be5#
    • 1...g4
      • 2.Qe5#
  • Tries
    • 1.Sxc8+?
      • 1...Kd5
        • 2.Re5#
      • 1...Qxc8!
    • 1.Qf7?
      • threat
        • 2.Be5#
      • 1...Qxb5
        • 2.Qc7#
      • 1...Qxe6
        • 2.Bc5#
      • 1...Qxd4
        • 2.Qc7#
      • 1...Qd5
        • 2.Sxc8#
        • 2.Qc7#
      • 1...Qc5
        • 2.Bxc5#
      • 1...Sc6
        • 2.Qc7#
      • 1...Qc3!
    • 1.Qxg5?
      • threat
        • 2.Qe5#
      • 1...Qxb5
        • 2.Sxc8#
      • 1...Qxe6
        • 2.Qc5#
      • 1...Qxd4
        • 2.Sxc8#
      • 1...Qd5
        • 2.Sxc8#
        • 2.Qxd5#
      • 1...Qc5
        • 2.Bxc5#
        • 2.Qxc5#
      • 1...Sc6
        • 2.Sxc4#
        • 2.Sxc8#
      • 1...Rh5!
  • Keys
    • 1.Qd1!
      • threat
        • 2.Bc5#
      • 1...Qxe6
        • 2.Be5#
      • 1...Qxd4
        • 2.Qxd4#
      • 1...Bxe6
        • 2.Be5#
      • 1...Qc5
        • 2.Bxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • Q(c);N_GUARD::B(B)
    • Q(c);N_GUARD,SBLOCK::S(F),XB(i)
    • Q(c);N_GUARD::B(B),XQ(c)
    • B(i);SBLOCK,XS(G)::B(B)
    • P(g);OGATE::QAB1(E)
  • Tries
    • Try
      • S(F);CHECK,XB(i)
      • Vars
        • K(h);P-FLIGHT,P_PINP(A),P_SPINP(g)::R1(C)
      • Refutation
        • Q(c);P_PINB(I),XS(F)
    • Try
      • Q(E);
      • Threat
        • B(B)
      • Vars
        • Q(c);N_GUARD,XP(D)::QAB1(E)
        • Q(c);N_GUARD,XS(G)::B(B)
        • Q(c);N_GUARD,XB(B)::QAB1(E)
        • Q(c);N_GUARD::B(B),XQ(c)
        • S(f);S_CUTQ(c)::QAB1(E)
      • Refutation
        • Q(c);
    • Try
      • Q(E);XP(g)
      • Threat
        • QAB1(E)
      • Vars
        • Q(c);N_GUARD,XP(D)::S(F),XB(i)
        • Q(c);N_GUARD,XS(G)::QAB1(E)
        • Q(c);N_GUARD,XB(B)::S(F),XB(i)
      • Refutation
        • R(e);
  • Actual
    • Q(E);
    • Threat
      • QAR(E)+B(B),DCHECK
    • Vars
      • Q(c);SBLOCK,XS(G)::QAR(E)+B(B),DCHECK
      • Q(c);OGATE,P_SPINQ(c),XB(B)::QAR2(E),XQ(c)
      • B(i);SBLOCK,XS(G)::QAR(E)+B(B),DCHECK
      • Q(c);::QAR(E)+B(B),DCHECK,XQ(c)
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