MESON Chess Problem Database

Problem Display
PID: 150463 (3Q4/3R4/5B2/8/1K6/8/2k2p2/8 w - - 0 1)

Ahlheim, Karl-Heinz

Deutsche Schachzeitung, 1970

3Q4/3R4/5B2/8/1K6/8/2k2p2/8

#2

4 + 2

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Keys
    • 1.Rd1!
      • threat
        • 2.Qd2#
        • 2.Qd3#
      • 1...f1Q
        • 2.Qd2#
      • 1...f1S
        • 2.Qd3#
      • 1...f1B
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(C);
    • Threat
      • DUALS(2)
    • Vars
      • P(b);::QAR1(D)
      • P(b);::QAB1(D)
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