MESON Chess Problem Database

Problem Display
PID: 226752 (8/3BQ3/5p2/1N1k2n1/2p2P2/4p3/2K4b/3n4 w - - 0 1)

Baumann, Klaus

Freie Presse, 1987

8/3BQ3/5p2/1N1k2n1/2p2P2/4p3/2K4b/3n4

#2

5 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Qe5#
  • Tries
    • 1.Sc3+?
      • 1...Kd4
        • 2.Qd6#
      • 1...Sxc3!
    • 1.Qe6+?
      • 1...Kc5
        • 2.Qd6#
      • 1...Sxe6!
  • Keys
    • 1.Qxf6!
      • threat
        • 2.Qd4#
        • 2.Qe5#
        • 2.Qf5#
        • 2.Qc6#
      • 1...Ke4
        • 2.Bc6#
      • 1...Kc5
        • 2.Qd6#
      • 1...Bxf4
        • 2.Qd4#
      • 1...c3
        • 2.Qd4#
        • 2.Qc6#
      • 1...Sf3
        • 2.Qc6#
      • 1...Se6
        • 2.Qe5#
        • 2.Qf5#
      • 1...Sf7
        • 2.Qd4#
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(g);N_GUARD::QAR1(E)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(e);P-FLIGHT::QAR2(E)
      • Refutation
        • S(a);XS(C)
    • Try
      • Q(E);CHECK
      • Vars
        • K(e);P-FLIGHT::QAB1(E)
      • Refutation
        • S(f);XQ(E)
  • Actual
    • Q(E);XP(g)
    • Threat
      • DUALS(4)
    • Vars
      • K(e);S_FLIGHT::B(D)
      • K(e);P-FLIGHT::QAB1(E)
      • B(b);XP(B)::QAR1(E)
      • S(f);::QAB1(E)
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