MESON Chess Problem Database

Problem Display
PID: 59009 (3B2N1/Q2pq1p1/1R3pB1/5Pk1/1p2Pp2/7K/8/8 w - - 0 1)

Degener, Udo

Troll, 1999

3B2N1/Q2pq1p1/1R3pB1/5Pk1/1p2Pp2/7K/8/8

#2

8 + 7

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Rd6?
      • threat
        • 2.Qg1#
      • 1...f3
        • 2.Qe3#
      • 1...Qxe4!
    • 1.Re6?
      • threat
        • 2.Qg1#
      • 1...f3
        • 2.Qe3#
      • 1...Qc5!
    • 1.Qa2?
      • threat
        • 2.Qg2#
      • 1...f3
        • 2.Qd2#
      • 1...Qxe4!
  • Keys
    • 1.Rxf6!
      • threat
        • 2.Qg1#
      • 1...Qxe4
        • 2.Re6#
      • 1...f3
        • 2.Qe3#
      • 1...Qc5
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Threat
        • QAR(F)
      • Vars
        • P(b);OGATEB::QAB(F)
      • Refutation
        • Q(f);P_SPINP(d),XP(B)
    • Try
      • R(D);
      • Threat
        • QAR(F)
      • Vars
        • P(b);OGATEB::QAB(F)
      • Refutation
        • Q(f);P_SPINP(d)
    • Try
      • Q(F);
      • Threat
        • QAR(F)
      • Vars
        • P(b);OGATEB::QAB(F)
      • Refutation
        • Q(f);P_SPINP(d),XP(B)
  • Actual
    • R(D);XP(d)
    • Threat
      • QAR(F)
    • Vars
      • Q(f);OGATEB,XP(B)::B(G)+R(D)
      • P(b);OGATEB::QAB(F)
      • Q(f);OGATEB::B(G)+R(D)
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