MESON Chess Problem Database

Problem Display
PID: 200199 (3r4/6NN/5R1P/p2pk3/K2Rp2r/2P5/1B6/8 w - - 0 1)

Eerkes, Allard Pieter

Problemas, 1990

3r4/6NN/5R1P/p2pk3/K2Rp2r/2P5/1B6/8

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Re6#
    • 1...Rd6
      • 2.Rf5#
    • 1...e3
      • 2.Re6#
  • Tries
    • 1.Bc1?
      • threat
        • 2.Re6#
      • 1...Rxh6
        • 2.Bf4#
      • 1...Rd6
        • 2.Rf5#
      • 1...Re8!
    • 1.Ba3?
      • threat
        • 2.Rf5#
      • 1...Rf4
        • 2.Re6#
      • 1...Rf8
        • 2.Bd6#
      • 1...Rh5!
  • Keys
    • 1.c4!
      • threat
        • 2.Rxd5#
      • 1...dxc4
        • 2.Rf5#
      • 1...e3
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(b);SBLOCK::R1(E)
    • R(f);SBLOCK::R1(E)
    • P(a);P_PINR(D)::R1(E)
  • Tries
    • Try
      • B(A);
      • Threat
        • R1(E)
      • Vars
        • R(b);N_GUARD,XP(F)::B(A)
        • R(f);SBLOCK::R1(E)
      • Refutation
        • R(f);
    • Try
      • B(A);
      • Threat
        • R1(E)
      • Vars
        • R(b);SBLOCK::R1(E)
        • R(f);N_GUARD::B(A)
      • Refutation
        • R(b);
  • Actual
    • P(B);
    • Threat
      • B(A)+R(D),DCHECK,XP(d)
    • Vars
      • P(d);XP(B)::R1(E)
      • P(a);::R1(E)
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