MESON Chess Problem Database

Problem Display
PID: 262743 (2n4n/4BN2/R2p1p2/3B4/3bPk1P/5P2/3PPR1K/8 w - - 0 1)

Galma, ?ikhailo Teodozinovovich

Sp. Comm., SuperProblem, 2018

2n4n/4BN2/R2p1p2/3B4/3bPk1P/5P2/3PPR1K/8

#2

11 + 6

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.e3#
    • 1...Bb2
      • 2.e3#
    • 1...Bc3
      • 2.e3#
    • 1...Be5
      • 2.e3#
    • 1...f5
      • 2.Bg5#
  • Tries
    • 1.Sxh8?
      • threat
        • 2.Sg6#
      • 1...Ke5
        • 2.Sg6#
        • 2.f4#
      • 1...Sxe7!
    • 1.Bxd6+?
      • 1...Be5
        • 2.e3#
      • 1...Sxd6!
    • 1.Bxf6?
      • threat
        • 2.Bg5#
      • 1...Bxf6
        • 2.e3#
      • 1...Sxf7!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sd3#
      • 1...Kxe5
        • 2.f4#
      • 1...Bxe5
        • 2.e3#
      • 1...dxe5
        • 2.Rxf6#
      • 1...fxe5
        • 2.Bg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • B(a);N_GUARD::P(B)
    • P(d);OGATE::B(J)
  • Tries
    • Try
      • S(K);XS(f)
      • Threat
        • S(K)
      • Refutation
        • S(e);XB(J)
    • Try
      • B(J);CHECK,XP(c)
      • Vars
        • B(a);P_SPINB(a)::P(B)
      • Refutation
        • S(e);XB(J)
    • Try
      • B(J);XP(d)
      • Threat
        • B(J)
      • Vars
        • B(a);N_GUARD,XB(J)::P(B)
      • Refutation
        • S(f);XS(K)
  • Actual
    • S(K);
    • Threat
      • S(K)
    • Vars
      • K(b);OGATE,S_FLIGHT,XS(K)::P(E)
      • B(a);N_GUARD,SBLOCK,XS(K)::P(B)
      • P(c);OGATE,SBLOCK,XS(K)::R(I),XP(d)
      • P(d);OGATE,SBLOCK,XS(K)::B(J)
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