MESON Chess Problem Database

Problem Display
PID: 71050 (4nK2/2p5/5kp1/1NR1p1Np/4P1p1/6PB/3B1P2/8 w - - 0 1)

Coello Alonso, Jose Antonio

Problemas, 2001

4nK2/2p5/5kp1/1NR1p1Np/4P1p1/6PB/3B1P2/8

#2

9 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Sxc7?
      • threat
        • 2.Sh7#
        • 2.Sd5#
        • 2.Sxe8#
      • 1...Sd6
        • 2.Sh7#
        • 2.Sd5#
      • 1...Sg7
        • 2.Sh7#
        • 2.Sd5#
      • 1...Sxc7!
    • 1.Rxe5?
      • threat
        • 2.Re6#
      • 1...Kxe5
        • 2.Bc3#
      • 1...Sg7!
  • Keys
    • 1.f4!
      • threat
        • 2.fxe5#
      • 1...exf4
        • 2.Bc3#
      • 1...gxf4 ep
        • 2.Sh7#

This is a version of 124554

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);XP(f)
      • Threat
        • DUALS(3)
      • Refutation
        • S(g);XS(F)
    • Try
      • R(G);XP(b)
      • Threat
        • R1(G)
      • Vars
        • K(d);OGATEB,S_FLIGHT,XR(G)::B(A)
      • Refutation
        • S(g);
  • Actual
    • P(B);
    • Threat
      • P(B),XP(b)
    • Vars
      • P(b);OGATEB,XP(B)::B(A)
      • P(a);EP,XP(B)::S(H)
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