MESON Chess Problem Database

Problem Display
PID: 96900 (1nQ1K3/8/Rp3P2/1N1k2p1/1P3bp1/1p2p1n1/b3P3/BB6 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

200 Assorted Problems (Wenman), 1945

1nQ1K3/8/Rp3P2/1N1k2p1/1P3bp1/1p2p1n1/b3P3/BB6

#2

9 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qb7+?
      • 1...Ke6
        • 2.Qf7#
      • 1...Sc6
        • 2.Qf7#
      • 1...Kc4!
    • 1.Qc5+?
      • 1...Ke6
        • 2.Qc4#
      • 1...bxc5!
  • Keys
    • 1.Rxb6!
      • threat
        • 2.Qe6#
        • 2.Qc5#
      • 1...Bxb1
        • 2.Qe6#
      • 1...Bc7
        • 2.Qe6#
      • 1...Sc6
        • 2.Qxc6#
      • 1...Sd7
        • 2.Qc6#
      • 1...Bd6
        • 2.Rxd6#
      • 1...Se4
        • 2.Qe6#
      • 1...Sa6
        • 2.Qe6#
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(H);CHECK
      • Vars
        • K(g);P_SPINP(i),S_FLIGHT::QAB1(H)
        • S(j);P_SPINS(j),SBLOCK::QAB(H)
      • Refutation
        • K(g);S_FLIGHT
    • Try
      • Q(H);CHECK
      • Vars
        • K(g);P_SPINP(i),S_FLIGHT::QAB(H)
      • Refutation
        • P(i);XQ(H)
  • Actual
    • R(F);XP(i)
    • Threat
      • DUALS(2)
    • Vars
      • B(a);XB(B)::QAB1(H)
      • B(e);::QAB1(H)
      • S(j);N_GUARD::QAB1(H),XS(j)
      • S(j);N_GUARD::QAB1(H)
      • B(e);N_GUARD::R1(F),XB(e)
      • S(d);::QAB1(H)
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