MESON Chess Problem Database

Problem Display
PID: 240545 (rnR3K1/7N/3Bk2p/p2pP2P/3p1pR1/2p1n3/4N1B1/2b5 w - - 0 1)

Mosiashvili, Givi

Variantim, 2012

rnR3K1/7N/3Bk2p/p2pP2P/3p1pR1/2p1n3/4N1B1/2b5

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Sf5
      • 2.Sf8#
    • 1...Sd7
      • 2.Sxd4#
  • Tries
    • 1.Rxf4?
      • threat
        • 2.Sf8#
      • 1...Sd7
        • 2.Sxd4#
      • 1...Kd7!
    • 1.Rg6+?
      • 1...Kf5
        • 2.Sxd4#
        • 2.Rf8#
      • 1...Kd7!
    • 1.Rg7?
      • threat
        • 2.Sxd4#
      • 1...Kf5
        • 2.Sxd4#
      • 1...Sc2
        • 2.Bh3#
      • 1...Sf5
        • 2.Sf8#
      • 1...d3
        • 2.Sd4#
      • 1...Sc6!
    • 1.Re8+?
      • 1...Kf5
        • 2.Rxf4#
      • 1...Kd7!
  • Keys
    • 1.Bh3!
      • threat
        • 2.Rg6#
      • 1...Kf5
        • 2.Rxf4#
      • 1...Kd7
        • 2.Rg7#
      • 1...Sxg4
        • 2.Bxg4#
      • 1...Sf5
        • 2.Sf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(c);SBLOCK::S(G)
    • S(k);P_PINR(H),SBLOCK::S(A),XP(d)
  • Tries
    • Try
      • R(C);XP(e)
      • Threat
        • S(G)
      • Vars
        • S(k);P_PINR(H),SBLOCK::S(A),XP(d)
      • Refutation
        • K(h);S_FLIGHT
    • Try
      • R(C);CHECK
      • Refutation
        • K(h);S_FLIGHT
    • Try
      • R(C);
      • Threat
        • S(A),XP(d)
      • Vars
        • K(h);S_FLIGHT::S(A),XP(d)
        • S(c);N_GUARD::B(B)
        • S(c);SBLOCK::S(G)
        • P(d);::S(A)
      • Refutation
        • S(k);P_PINR(H)
    • Try
      • R(H);CHECK
      • Vars
        • K(h);S_FLIGHT::R1(C),XP(e)
      • Refutation
        • K(h);S_FLIGHT
  • Actual
    • B(B);
    • Threat
      • B(B)+R(C),DCHECK
    • Vars
      • K(h);S_FLIGHT::B(B)+R(C),DCHECK,XP(e)
      • K(h);S_FLIGHT::B(B)+R(C),DCHECK
      • S(c);OGATE,P_SPINS(c),XR(C)::B(B),XS(c)
      • S(c);SBLOCK::S(G)
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