MESON Chess Problem Database

Problem Display
PID: 245912 (4r3/p3p3/K1N5/1pk2P1R/2P5/1P1R4/3P2B1/3n4 w - - 0 1)

Hoffmann, Fritz

Europa-Rochade, 2004

4r3/p3p3/K1N5/1pk2P1R/2P5/1P1R4/3P2B1/3n4

#2

9 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...bxc4
      • 2.b4#
    • 1...e5
      • 2.fxe5 ep#
    • 1...e6
      • 2.fxe6#
  • Tries
    • 1.Rd8?
      • threat
        • 2.d4#
      • 1...bxc4
        • 2.b4#
      • 1...e5
        • 2.fxe5 ep#
      • 1...Rxd8!
  • Keys
    • 1.Rd7!
      • threat
        • 2.d4#
      • 1...bxc4
        • 2.b4#
      • 1...e5
        • 2.fxe5 ep#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • P(b);SBLOCK,XP(E)::P(C)
    • P(e);OGATE::R(G)+P(F),XP(e),EP
    • P(e);OGATE::R(G)+P(F),XP(e)
  • Tries
    • Try
      • R(D);
      • Threat
        • P(A)
      • Vars
        • P(b);SBLOCK,XP(E)::P(C)
        • P(e);OGATE::R(G)+P(F),XP(e),EP
      • Refutation
        • R(f);XR(D)
  • Actual
    • R(D);
    • Threat
      • P(A)
    • Vars
      • P(b);SBLOCK,XP(E)::P(C)
      • P(e);OGATE::R(G)+P(F),XP(e),EP
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