MESON Chess Problem Database

Problem Display
PID: 232618 (4R2B/2q5/4nn2/1R1bkN2/2p3Q1/8/8/3B1K2 w - - 0 1)

Hoffmann, Fritz

Freie Presse, 1968

4R2B/2q5/4nn2/1R1bkN2/2p3Q1/8/8/3B1K2

#2

7 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qg3+?
      • 1...Ke4
        • 2.Bc2#
      • 1...Kxf5!
  • Keys
    • 1.Bc2!
      • threat
        • 2.Qg3#
        • 2.Qd4#
        • 2.Qe4#
      • 1...Qb6
        • 2.Qg3#
        • 2.Qe4#
      • 1...Qc5
        • 2.Qg3#
      • 1...Qa7
        • 2.Qg3#
        • 2.Qe4#
      • 1...Qe7
        • 2.Qe4#
      • 1...Qg7
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);N_SPINB(b),P-FLIGHT::B(A)
      • Refutation
        • K(c);N_SPINS(d),P-FLIGHT,XS(E)
  • Actual
    • B(A);
    • Threat
      • DUALS(3)
    • Vars
      • Q(f);N_SPINB(b)::QAB(C)
      • Q(f);N_SPINS(d),P_SPINS(e)::QAR1(C)
      • Q(f);::QAB1(C)
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