MESON Chess Problem Database

Problem Display
PID: 210735 (2K2n2/7Q/2NpPnR1/1p1k1B2/1P6/6N1/P6p/2R4b w - - 0 1)

Saunders, Denis M

The Problemist, 1985

2K2n2/7Q/2NpPnR1/1p1k1B2/1P6/6N1/P6p/2R4b

#2

10 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Sh5?
      • threat
        • 2.Sf4#
        • 2.Sxf6#
      • 1...S6xh7
        • 2.Sf4#
      • 1...Sxe6
        • 2.Sxf6#
      • 1...Sxg6
        • 2.Sxf6#
      • 1...S8xh7
        • 2.Sf4#
      • 1...Se4
        • 2.Sf4#
      • 1...Sg4
        • 2.Sf4#
      • 1...S6d7
        • 2.Sf4#
      • 1...Se8
        • 2.Sf4#
      • 1...Sg8
        • 2.Sf4#
      • 1...S8d7
        • 2.Sf4#
      • 1...Sxh5!
    • 1.Rd1+?
      • 1...Kxc6
        • 2.Qb7#
        • 2.Qc7#
      • 1...Kc4!
  • Keys
    • 1.Bc2!
      • threat
        • 2.Bb3#
      • 1...Kc4
        • 2.Be4#
      • 1...Kxc6
        • 2.Qb7#
      • 1...Kxe6
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • S(f);XQ(I)::S(C)
        • S(g);XP(G)::S(C),XS(f)
        • S(g);XR(H)::S(C),XS(f)
        • S(g);XQ(I)::S(C)
        • S(f);::S(C)
        • S(g);::S(C)
      • Refutation
        • S(f);XS(C)
    • Try
      • R(A);CHECK
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • B(E);
    • Threat
      • B(E)
    • Vars
      • K(d);S_FLIGHT::R(A)+B(E)
      • K(d);OGATEB,S_FLIGHT,XS(F)::QAB1(I)
      • K(d);OGATEB,P_SPINS(f),S_FLIGHT,XP(G)::QAB(I)
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