MESON Chess Problem Database

Problem Display
PID: 16915 (R1K2B2/1N6/8/8/B3Pn2/1Pkp2NR/1p3P2/bQ6 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

One Hundred Published Problems, 1944

R1K2B2/1N6/8/8/B3Pn2/1Pkp2NR/1p3P2/bQ6

#2

11 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kd2
      • 2.Bb4#
    • 1...Kd4
      • 2.Bg7#
    • 1...d2
      • 2.Se2#
  • Tries
    • 1.Se2+?
      • 1...Sxe2
        • 2.Rxd3#
        • 2.Qxd3#
      • 1...Kd2!
    • 1.Qe1+?
      • 1...Kc2
        • 2.b4#
      • 1...Kd4
        • 2.Bg7#
      • 1...d2!
  • Keys
    • 1.Bb5!
      • 1...Kd2
        • 2.Bb4#
      • 1...Kxb3
        • 2.Ra3#
      • 1...Kd4
        • 2.Bg7#
      • 1...Sxh3
        • 2.Qxd3#
      • 1...Se2
        • 2.Qxd3#
      • 1...Sg2
        • 2.Qxd3#
      • 1...Sd5
        • 2.Qxd3#
      • 1...Sh5
        • 2.Qxd3#
      • 1...Se6
        • 2.Qxd3#
      • 1...Sg6
        • 2.Qxd3#
      • 1...d2
        • 2.Se2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::B(K)
    • P(d);SBLOCK::R(E)+S(D),DCHECK
  • Tries
    • Try
      • S(D);CHECK,P_PINP(d)
      • Refutation
        • K(c);N_SPINP(d),S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P-FLIGHT::B(F)+P(C)
        • K(c);S_FLIGHT::B(K)
      • Refutation
        • P(d);P_SPINP(d)
  • Actual
    • B(F);
    • Vars
      • K(c);S_FLIGHT::B(K)
      • K(c);OGATEB,P-FLIGHT,P_SPINP(b),XP(C)::R1(I)
      • S(e);N_GUARD,XR(E)::QAR1(A),XP(d)
      • S(e);N_GUARD::QAR1(A),XP(d)
      • P(d);SBLOCK::R(E)+S(D),DCHECK
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