MESON Chess Problem Database

Problem Display
PID: 122514 (7B/1Qb5/n2P2p1/1p1P2P1/bp5R/p2k4/4RpN1/5K2 w - - 0 1)

Berg, Wolfgang

Degenkolbe, Mirko

Comm., Probleemblad, 1988

7B/1Qb5/n2P2p1/1p1P2P1/bp5R/p2k4/4RpN1/5K2

#2

9 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Qxb5#
    • 1...Bc2
      • 2.Qxb5#
  • Tries
    • 1.Qc6?
      • threat
        • 2.Sf4#
        • 2.Rh3#
        • 2.Rd4#
      • 1...Bxd6
        • 2.Rd4#
      • 1...Bb6
        • 2.Sf4#
      • 1...Sc5!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qh3#
      • 1...Bxd6
        • 2.Rd4#
      • 1...Bb6
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(d);N_GUARD::QAB(H),XP(f)
  • Tries
    • Try
      • Q(H);
      • Threat
        • DUALS(3)
      • Vars
        • B(i);XP(G)::R1(D)
        • B(i);::S(C)
      • Refutation
        • S(g);
  • Actual
    • Q(H);
    • Threat
      • QAR(H)
    • Vars
      • B(i);XP(G)::R1(D)
      • B(i);::S(C)
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