MESON Chess Problem Database

Problem Display
PID: 37446 (1b3N1K/4B3/3rBN2/4kp1R/3n2n1/1p3P2/b2P3P/2Q5 w - - 0 1)

Fomichev, Evgeny Vasilevich

Slesarenko, Anatoly Vasilevich

3rd HM., Chernobilya, 1992

1b3N1K/4B3/3rBN2/4kp1R/3n2n1/1p3P2/b2P3P/2Q5

#2

10 + 8

3705 Album Russia (1992-1994) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe6
      • 2.Sg6#
  • Tries
    • 1.Qe1+?
      • 1...Kf4
        • 2.Qg3#
      • 1...Se3
        • 2.Qg3#
        • 2.Qxe3#
      • 1...Se2!
    • 1.Qc3?
      • threat
        • 2.Rxf5#
      • 1...Kf4
        • 2.Sg6#
      • 1...Rxe6
        • 2.Sg6#
      • 1...Se3
        • 2.Qxe3#
      • 1...Sh6
        • 2.Qe3#
      • 1...Bb1!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Qg3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Sxf3
        • 2.Rxf5#
      • 1...Sxe6
        • 2.Sg6#
      • 1...Sc2
        • 2.Rxf5#
      • 1...Se2
        • 2.Rxf5#
      • 1...Sb5
        • 2.Rxf5#
      • 1...Sc6
        • 2.Rxf5#

There are these versions: 86822

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • R(g);SBLOCK,XB(F)::S(I)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(e);N_SPINP(f),S_FLIGHT::QAB1(A)
      • Refutation
        • S(c);P_SPINS(c)
    • Try
      • Q(A);P_PINS(c)
      • Threat
        • R1(E),XP(f)
      • Vars
        • K(e);N_SPINP(f),N_SPINS(c),S_FLIGHT::S(I)
        • R(g);SBLOCK,XB(F)::S(I)
        • S(d);N_GUARD::QAR2(A),XS(d)
        • S(d);N_GUARD::QAR2(A)
      • Refutation
        • B(a);
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • K(e);N_SPINP(f),S_FLIGHT::QAB1(A)
      • S(c);N_GUARD,XP(D)::R1(E),XP(f)
      • S(c);SBLOCK,XB(F)::S(I)
      • S(c);N_GUARD::R1(E),XP(f)
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