MESON Chess Problem Database

Problem Display
PID: 217613 (8/2p5/2K5/p1P4p/Rp1PNP1P/4k1N1/4B3/4B3 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

British Chess Magazine, 1920

8/2p5/2K5/p1P4p/Rp1PNP1P/4k1N1/4B3/4B3

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Bf2#
    • 1...Kxf4
      • 2.Bd2#
    • 1...b3
      • 2.Bd2#
  • Tries
    • 1.Kd5?
      • threat
        • 2.Bd2#
      • 1...Kxf4
        • 2.Bd2#
      • 1...c6+!
    • 1.Kxc7?
      • 1...Kxf4
        • 2.Bd2#
      • 1...b3
        • 2.Bd2#
      • 1...Kxd4!
    • 1.Sc3?
      • 1...Kxd4
        • 2.Sf5#
      • 1...Kxf4
        • 2.Sd5#
      • 1...b3
        • 2.Sd5#
      • 1...bxc3!
    • 1.Bc3?
      • 1...Kxf4
        • 2.Bd2#
      • 1...b3
        • 2.Bd2#
      • 1...bxc3!
    • 1.Bxb4?
      • threat
        • 2.Bd2#
      • 1...Kxd4
        • 2.Bd2#
      • 1...Kxf4
        • 2.Bd2#
      • 1...axb4!
    • 1.Rxb4?
      • threat
        • 2.Bd2#
      • 1...Kxf4
        • 2.Bd2#
      • 1...axb4!
    • 1.Rxa5?
      • 1...Kxd4
        • 2.Bf2#
      • 1...Kxf4
        • 2.Bd2#
      • 1...b3!
    • 1.d5?
      • 1...Kd4
        • 2.Bf2#
      • 1...b3
        • 2.Bd2#
      • 1...Kxf4!
    • 1.f5?
      • 1...Kf4
        • 2.Bd2#
      • 1...b3
        • 2.Bd2#
      • 1...Kxd4!
  • Keys
    • 1.Sf6!
      • 1...Kxd4
        • 2.Sf5#
      • 1...Kxf4
        • 2.Sd5#
      • 1...b3
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P_SPINP(b),S_FLIGHT,XP(E)::B(A)
    • K(a);S_FLIGHT,XP(G)::B(A)
    • P(b);::B(A)
  • Tries
    • Try
      • K(J);S_FLIGHT
      • Threat
        • B(A)
      • Vars
        • K(a);S_FLIGHT,XP(G)::B(A)
      • Refutation
        • P(e);CHECK
    • Try
      • K(J);P-FLIGHT,XP(e)
      • Vars
        • K(a);S_FLIGHT,XP(G)::B(A)
        • P(b);::B(A)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT,XP(E)
    • Try
      • S(F);
      • Vars
        • K(a);P_SPINP(b),S_FLIGHT,XP(E)::S(C)
        • K(a);S_FLIGHT,XP(G)::S(F)
        • P(b);::S(F)
      • Refutation
        • P(b);XS(F)
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT,XP(G)::B(A)
        • P(b);::B(A)
      • Refutation
        • P(b);XB(A)
    • Try
      • B(A);XP(b)
      • Threat
        • B(A)
      • Vars
        • K(a);S_FLIGHT,XP(E)::R(D)+B(A)
        • K(a);S_FLIGHT,XP(G)::B(A)
      • Refutation
        • P(c);XB(A)
    • Try
      • R(D);XP(b)
      • Threat
        • B(A)
      • Vars
        • K(a);S_FLIGHT,XP(G)::B(A)
      • Refutation
        • P(c);XR(D)
    • Try
      • R(D);XP(c)
      • Vars
        • K(a);S_FLIGHT,XP(E)::B(A)
        • K(a);S_FLIGHT,XP(G)::B(A)
      • Refutation
        • P(b);
    • Try
      • P(E);
      • Vars
        • K(a);P_SPINP(b),S_FLIGHT::B(A)
        • P(b);::B(A)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • P(G);
      • Vars
        • K(a);S_FLIGHT::B(A)
        • P(b);::B(A)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT,XP(E)
  • Actual
    • S(F);
    • Vars
      • K(a);P_SPINP(b),S_FLIGHT,XP(E)::S(C)
      • K(a);S_FLIGHT,XP(G)::S(F)
      • P(b);::S(F)
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