MESON Chess Problem Database

Problem Display
PID: 76882 (5B2/1p6/1PP5/3kp3/1KN3N1/1B2P3/4P3/8 w - - 0 1)

Davey, David Murray

The Tablet, 1947

(First published on Sat Sep 6 1947)

5B2/1p6/1PP5/3kp3/1KN3N1/1B2P3/4P3/8

#2

9 + 3

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sd6#
    • 1...Ke6
      • 2.Sd6#
    • 1...e4
      • 2.Sa5#
      • 2.Sce5#
    • 1...bxc6
      • 2.Sd2#
      • 2.Sd6#
  • Tries
    • 1.Ka3?
      • 1...Ke4
        • 2.Sd6#
      • 1...Ke6
        • 2.Sd6#
      • 1...bxc6
        • 2.Sd2#
      • 1...e4
        • 2.Sa5#
        • 2.Sce5#
      • 1...Kxc6!
    • 1.Kc3?
      • 1...Ke4
        • 2.Sd6#
      • 1...Ke6
        • 2.Sd6#
      • 1...bxc6
        • 2.Sd2#
      • 1...e4
        • 2.Sa5#
        • 2.Sce5#
      • 1...Kxc6!
    • 1.Ka4?
      • 1...Ke4
        • 2.Sd6#
      • 1...Ke6
        • 2.Sd6#
      • 1...bxc6
        • 2.Sd2#
      • 1...e4
        • 2.Sa5#
        • 2.Sce5#
      • 1...Kxc6!
    • 1.Kb5?
      • threat
        • 2.Sd2#
        • 2.Sd6#
      • 1...Ke4
        • 2.Sd6#
      • 1...Ke6
        • 2.Sd6#
      • 1...bxc6+!
    • 1.Sf6+?
      • 1...Kxc6
        • 2.Ba4#
      • 1...Ke6!
    • 1.Ba2?
      • 1...Ke4
        • 2.Sd6#
      • 1...Ke6
        • 2.Sd6#
      • 1...bxc6
        • 2.Sd2#
        • 2.Sd6#
      • 1...e4
        • 2.Sa5#
        • 2.Sce5#
      • 1...Kxc6!
    • 1.Bc5?
      • 1...Ke4
        • 2.Sd6#
      • 1...Kxc6
        • 2.Scxe5#
      • 1...bxc6
        • 2.Sd2#
        • 2.Sd6#
      • 1...e4
        • 2.Sa5#
        • 2.Sce5#
      • 1...Ke6!
  • Keys
    • 1.Ka5!
      • 1...Ke4
        • 2.Sd6#
      • 1...Kxc6
        • 2.Scxe5#
      • 1...Ke6
        • 2.Sd6#
      • 1...bxc6
        • 2.Sd2#
      • 1...e4
        • 2.Sce5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(E)
    • K(a);S_FLIGHT::B(B)+S(E)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(E)
        • K(a);S_FLIGHT::B(B)+S(E)
        • P(c);SBLOCK,XP(H)::B(B)+S(E)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(E)
        • K(a);S_FLIGHT::B(B)+S(E)
        • P(c);SBLOCK,XP(H)::B(B)+S(E)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(E)
        • K(a);S_FLIGHT::B(B)+S(E)
        • P(c);SBLOCK,XP(H)::B(B)+S(E)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • K(D);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • K(a);S_FLIGHT::S(E)
        • K(a);S_FLIGHT::B(B)+S(E)
      • Refutation
        • P(c);CHECK,XP(H)
    • Try
      • S(F);CHECK
      • Vars
        • K(a);S_FLIGHT,XP(H)::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::S(E)
        • K(a);S_FLIGHT::B(B)+S(E)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • B(I);
      • Vars
        • K(a);S_FLIGHT::S(E)
        • K(a);S_FLIGHT,XP(H)::S(E),XP(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(D);S_FLIGHT
    • Vars
      • K(a);S_FLIGHT::S(E)
      • K(a);S_FLIGHT,XP(H)::S(E),XP(b)
      • K(a);S_FLIGHT::B(B)+S(E)
      • P(c);SBLOCK,XP(H)::B(B)+S(E)
      • P(b);SBLOCK::B(B)+S(E)
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