MESON Chess Problem Database

Problem Display
PID: 235680 (k6B/2RN1p2/2p1p3/7p/pp1p4/6p1/6K1/7Q w - - 0 1)

Hoffmann, Fritz

Mat, 1982

k6B/2RN1p2/2p1p3/7p/pp1p4/6p1/6K1/7Q

#2

5 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Kxg3#
  • Tries
    • 1.Qd1?
      • threat
        • 2.Qxa4#
      • 1...a3
        • 2.Qa4#
      • 1...b3!
    • 1.Qxh5?
      • threat
        • 2.Qa5#
      • 1...c5
        • 2.Qf3#
      • 1...f5
        • 2.Qe8#
      • 1...e5!
  • Keys
    • 1.Bxd4!
      • threat
        • 2.Ra7#
      • 1...c5
        • 2.Kxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(f);::QAB(A)+K(B),XP(a)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR(A),XP(b)
      • Vars
        • P(b);::QAR(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);XP(e)
      • Threat
        • QAR(A)
      • Vars
        • P(f);OGATEB::QAB(A)
        • P(h);OGATE::QAR(A)
      • Refutation
        • P(g);
  • Actual
    • B(E);XP(d)
    • Threat
      • R1(C)
    • Vars
      • P(f);::QAB(A)+K(B),XP(a)
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