MESON Chess Problem Database

Problem Display
PID: 241035 (1N6/4p3/3PP2B/2p1kB2/2P3K1/8/1N3P2/8 w - - 0 1)

Ben-Zvi, Yoav

Variantim, 2013

1N6/4p3/3PP2B/2p1kB2/2P3K1/8/1N3P2/8

#2

9 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bg7#
    • 1...Kxd6
      • 2.Bf4#
    • 1...Kf6
      • 2.Sd7#
    • 1...exd6
      • 2.Bg7#
  • Tries
    • 1.Kg5?
      • 1...Kd4
        • 2.Bg7#
      • 1...exd6
        • 2.Sc6#
        • 2.Bg7#
      • 1...Kxd6!
    • 1.Sd1?
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kf6
        • 2.Sd7#
      • 1...exd6
        • 2.Bg7#
      • 1...Kd4!
    • 1.Sd3+?
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kf6
        • 2.Sd7#
      • 1...Kd4!
    • 1.Sa4?
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kf6
        • 2.Sd7#
      • 1...exd6
        • 2.Bg7#
      • 1...Kd4!
    • 1.Sd7+?
      • 1...Kd4
        • 2.Bg7#
      • 1...Kxd6!
    • 1.Be3?
      • 1...Kxd6
        • 2.Bf4#
      • 1...exd6
        • 2.Sd7#
      • 1...Kf6!
    • 1.Bg5?
      • 1...Kxd6
        • 2.Bf4#
      • 1...exd6
        • 2.Sc6#
      • 1...Kd4!
    • 1.Bf8?
      • 1...Kd4
        • 2.Bg7#
      • 1...Kf6
        • 2.Sd7#
      • 1...exd6
        • 2.Bg7#
      • 1...Kxd6!
    • 1.f3?
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kf6
        • 2.Sd7#
      • 1...exd6
        • 2.Bg7#
      • 1...Kd4!
    • 1.d7?
      • 1...Kd4
        • 2.Bg7#
      • 1...Kd6
        • 2.Bf4#
      • 1...Kf6!
  • Keys
    • 1.Bd2!
      • 1...Kd4
        • 2.Sc6#
      • 1...Kxd6
        • 2.Bf4#
      • 1...Kf6
        • 2.Bc3#
      • 1...exd6
        • 2.Bc3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(H)
    • K(b);S_FLIGHT,XP(F)::B(H)
    • K(b);S_FLIGHT::S(I)
    • P(c);SBLOCK,XP(F)::B(H)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(H)
      • Refutation
        • K(b);S_FLIGHT,XP(F)
    • Try
      • S(A);
      • Vars
        • K(b);S_FLIGHT,XP(F)::B(H)
        • K(b);S_FLIGHT::S(I)
        • P(c);SBLOCK,XP(F)::B(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(A);CHECK
      • Vars
        • K(b);S_FLIGHT,XP(F)::B(H)
        • K(b);S_FLIGHT::S(I)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(A);
      • Vars
        • K(b);S_FLIGHT,XP(F)::B(H)
        • K(b);S_FLIGHT::S(I)
        • P(c);SBLOCK,XP(F)::B(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(I);CHECK
      • Vars
        • K(b);S_FLIGHT::B(H)
      • Refutation
        • K(b);S_FLIGHT,XP(F)
    • Try
      • B(H);
      • Vars
        • K(b);S_FLIGHT,XP(F)::B(H)
        • P(c);SBLOCK,XP(F)::S(I)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(H);
      • Vars
        • K(b);S_FLIGHT,XP(F)::B(H)
        • P(c);SBLOCK,XP(F)::S(I)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(H);
      • Vars
        • K(b);S_FLIGHT::B(H)
        • K(b);S_FLIGHT::S(I)
        • P(c);SBLOCK,XP(F)::B(H)
      • Refutation
        • K(b);P_SPINP(c),S_FLIGHT,XP(F)
    • Try
      • P(B);
      • Vars
        • K(b);S_FLIGHT,XP(F)::B(H)
        • K(b);S_FLIGHT::S(I)
        • P(c);SBLOCK,XP(F)::B(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(F);
      • Vars
        • K(b);S_FLIGHT::B(H)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(H);
    • Vars
      • K(b);S_FLIGHT::S(I)
      • K(b);S_FLIGHT,XP(F)::B(H)
      • K(b);S_FLIGHT::B(H)
      • P(c);SBLOCK,XP(F)::B(H)
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