MESON Chess Problem Database

Problem Display
PID: 37439 (B1QR4/2K3p1/5prn/4k3/8/8/8/2B5 w - - 0 1)

Hoffmann, Martin Wolfgang

Tages-Anzeiger, 1969

B1QR4/2K3p1/5prn/4k3/8/8/8/2B5

#2

5 + 5

3690 Kunstschach in der Schweiz 1980
5454 Near Snap 2008
3713 Snap 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Qd7?
      • threat
        • 2.Re8#
        • 2.Qd5#
      • 1...Sf5
        • 2.Qd5#
      • 1...Sg8
        • 2.Qd5#
      • 1...f5!
  • Keys
    • 1.Kd7!
      • threat
        • 2.Qc5#
      • 1...Kd4
        • 2.Ke6#
      • 1...Kf5
        • 2.Kd6#
      • 1...f5
        • 2.Qc3#

Anticipated by 4776(1891), 161961(1956)

This anticipates 961(1994)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Threat
        • DUALS(2)
      • Vars
        • S(d);SBLOCK::QAR1(D)
        • S(d);::QAR1(D)
      • Refutation
        • P(b);
  • Actual
    • K(B);P-FLIGHT
    • Threat
      • QAR2(D)
    • Vars
      • K(a);S_FLIGHT::R(E)+K(B)
      • K(a);P-FLIGHT::QAB(D)+K(B)
      • P(b);SBLOCK::QAB(D)
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