MESON Chess Problem Database

Problem Display
PID: 54784 (1bR2K2/3pN2p/1p1k1n2/3Pp3/1nR1p3/7B/8/2Q5 w - - 0 1)

Berg, Wolfgang

Troll, 1991

1bR2K2/3pN2p/1p1k1n2/3Pp3/1nR1p3/7B/8/2Q5

#2

7 + 9

102 Probleemblad 2008

SOLUTION

  • SOUND
  • Tries
    • 1.Rxb4?
      • threat
        • 2.Rxb6#
      • 1...Ba7
        • 2.Qc7#
      • 1...Bc7
        • 2.Qxc7#
      • 1...b5
        • 2.Qc5#
      • 1...Sxd5!
  • Keys
    • 1.Rd4!
      • threat
        • 2.Sf5#
      • 1...Sbxd5
        • 2.Qa3#
      • 1...Sfxd5
        • 2.Qh6#
      • 1...exd4
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);XS(a)
      • Threat
        • R(C),XP(d)
      • Vars
        • B(i);N_GUARD::QAB1(A)
        • B(i);N_GUARD::QAB1(A),XB(i)
        • P(d);N_GUARD::QAB1(A)
      • Refutation
        • S(f);XP(D)
  • Actual
    • R(C);
    • Threat
      • S(E)
    • Vars
      • S(a);OGATEB,P_SPINS(a),XP(D)::QAB(A)
      • S(f);OGATEB,P_SPINS(f),XP(D)::QAR(A)
      • P(c);OGATEB,XR(C)::QAB(A)
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