MESON Chess Problem Database

Problem Display
PID: 254914 (4B3/8/8/R2P1P1R/3pkPn1/3NnN2/2P1bPPB/2b1Q2K w - - 0 1)

Zaitsev, Viktor Viktorovich

Zadachi i Etyudi, 2006

4B3/8/8/R2P1P1R/3pkPn1/3NnN2/2P1bPPB/2b1Q2K

#2

14 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Sd2#
    • 1...Bd2
      • 2.Sxd2#
    • 1...Ba3
      • 2.Sd2#
    • 1...Sxd5
      • 2.Sc5#
    • 1...Sxf5
      • 2.Sg5#
    • 1...Sxf2+
      • 2.Sxf2#
  • Tries
    • 1.Bc6?
      • threat
        • 2.Sc5#
      • 1...Sxf2+
        • 2.Sxf2#
      • 1...Bxd3
        • 2.d6#
      • 1...Sxg2
        • 2.d6#
      • 1...Ba3
        • 2.Sd2#
      • 1...Sxh2!
    • 1.d6?
      • threat
        • 2.Sg5#
      • 1...Sxf2+
        • 2.Sxf2#
      • 1...Bxf3
        • 2.Bc6#
      • 1...Sd5
        • 2.Sc5#
      • 1...Se5
        • 2.Rxe5#
      • 1...Sxc2!
    • 1.f6?
      • threat
        • 2.Sc5#
      • 1...Sxf2+
        • 2.Sxf2#
      • 1...Bxd3
        • 2.Bg6#
      • 1...Sxh2
        • 2.Re5#
      • 1...Ba3
        • 2.Sd2#
      • 1...Sf5
        • 2.Sg5#
      • 1...Se5
        • 2.Rxe5#
      • 1...Sxg2!
  • Keys
    • 1.Bg6!
      • threat
        • 2.Sg5#
      • 1...Sxf2+
        • 2.Sxf2#
      • 1...Bxf3
        • 2.f6#
      • 1...Sxc2
        • 2.f6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • B(a);N_GUARD::S(H)
    • B(a);N_GUARD::S(H),XB(a)
    • S(c);P_SPINB(b),SBLOCK,XP(K)::S(G)
    • S(c);P_SPINB(b),SBLOCK,XP(L)::S(H)
    • S(f);CHECK,XP(D)::S(G),XS(f)
  • Tries
    • Try
      • B(N);
      • Threat
        • S(G)
      • Vars
        • S(f);CHECK,XP(D)::S(G),XS(f)
        • B(b);P_SPINS(c),XS(G)::B(N)+P(K)
        • S(c);N_GUARD,P_SPINB(b),XP(E)::B(N)+P(K)
        • B(a);N_GUARD::S(H)
      • Refutation
        • S(f);XB(F)
    • Try
      • P(K);
      • Threat
        • S(H)
      • Vars
        • S(f);CHECK,XP(D)::S(G),XS(f)
        • B(b);P_PINP(E),P_SPINS(c),XS(H)::B(N)
        • S(c);P_SPINB(b),SBLOCK::S(G)
        • S(f);N_GUARD::R1(J),XS(f)
      • Refutation
        • S(c);P_SPINB(b),XP(C)
    • Try
      • P(L);
      • Threat
        • S(G)
      • Vars
        • S(f);CHECK,XP(D)::S(G),XS(f)
        • B(b);P_SPINS(c),XS(G)::B(N)
        • S(f);N_GUARD,XB(F)::R1(M)
        • B(a);N_GUARD::S(H)
        • S(c);P_SPINB(b),SBLOCK::S(H)
        • S(f);N_GUARD::R1(M),XS(f)
      • Refutation
        • S(c);P_SPINB(b),XP(E)
  • Actual
    • B(N);
    • Threat
      • S(H)
    • Vars
      • S(f);CHECK,XP(D)::S(G),XS(f)
      • B(b);P_PINP(E),P_SPINS(c),XS(H)::B(N)+P(L)
      • S(c);N_GUARD,P_SPINB(b),XP(C)::B(N)+P(L)
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