MESON Chess Problem Database

Problem Display
PID: 65565 (8/8/2K1N3/3R4/4k1PN/4bp2/2P5/2BBn3 w - - 0 1)

Savournin, Jacques

Phenix, 1997

8/8/2K1N3/3R4/4k1PN/4bp2/2P5/2BBn3

#2

8 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Bg1
      • 2.Sg5#
    • 1...Bf2
      • 2.Sg5#
    • 1...Bd4
      • 2.Sg5#
    • 1...Bf4
      • 2.Sc5#
    • 1...Bc5
      • 2.Sxc5#
      • 2.Sg5#
    • 1...Bg5
      • 2.Sc5#
      • 2.Sxg5#
    • 1...Bb6
      • 2.Sg5#
    • 1...Bh6
      • 2.Sc5#
    • 1...Ba7
      • 2.Sg5#
    • 1...Sxc2
      • 2.Bxc2#
      • 2.Bxf3#
    • 1...Sg2
      • 2.Bxf3#
    • 1...Sd3
      • 2.Bxf3#
      • 2.cxd3#
  • Tries
    • 1.Kd6?
      • threat
        • 2.Re5#
      • 1...Bc5+
        • 2.Sxc5#
      • 1...Sxc2
        • 2.Bxc2#
        • 2.Bxf3#
      • 1...Bd4
        • 2.Sg5#
        • 2.Rxd4#
      • 1...Sd3
        • 2.Bxf3#
        • 2.cxd3#
      • 1...Bf4+!
  • Keys
    • 1.Sg6!
      • threat
        • 2.Re5#
      • 1...Sxc2
        • 2.Bxc2#
      • 1...Bd4
        • 2.Sg5#
        • 2.Rxd4#
      • 1...Bf4
        • 2.Sc5#
        • 2.Rd4#
      • 1...Sd3
        • 2.cxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • B(b);N_GUARD::S(H)
    • S(a);N_GUARD::B(B),XP(c)
  • Tries
    • Try
      • K(G);P-FLIGHT
      • Threat
        • R1(F)
      • Vars
        • B(b);CHECK,N_GUARD::S(H),XB(b)
      • Refutation
        • B(b);CHECK
  • Actual
    • S(E);
    • Threat
      • R1(F)
    • Vars
      • S(a);OGATE,XP(C)::B(B),XS(a)
      • S(a);OGATE::P(C),XS(a)
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