MESON Chess Problem Database

Problem Display
PID: 147294 (4B3/4p1P1/P3K1PP/R5Pk/P3P1N1/4N1B1/8/8 w - - 0 1)

Rice, John Michael

British Chess Magazine, 1998

4B3/4p1P1/P3K1PP/R5Pk/P3P1N1/4N1B1/8/8

#2

13 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Ke5?
      • 1...Kxg5
        • 2.Ke6#
      • 1...e6!
    • 1.Kf5?
      • 1...e5
        • 2.Sf6#
      • 1...e6+!
    • 1.Kd7?
      • 1...e6
        • 2.Sf6#
      • 1...e5!
    • 1.Kf7?
      • 1...e6
        • 2.Sf6#
      • 1...e5!
    • 1.Sd5?
      • 1...Kxg5
        • 2.Sde3#
        • 2.Sdf6#
      • 1...Kxg4!
    • 1.Sf5?
      • 1...Kxg5
        • 2.Sfe3#
      • 1...Kxg4!
    • 1.Be5?
      • 1...Kxg5
        • 2.Bg3#
      • 1...Kh4!
    • 1.Bb5?
      • 1...Kxg5
        • 2.Be8#
      • 1...Kxg6!
  • Keys
    • 1.Se5!
      • 1...Kxg5
        • 2.S5g4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(I);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT,XP(G)::R(F)+K(I)
      • Refutation
        • P(b);
    • Try
      • K(I);S_FLIGHT
      • Vars
        • P(b);N_GUARD::S(E)
      • Refutation
        • P(b);CHECK
    • Try
      • K(I);S_FLIGHT
      • Vars
        • P(b);N_GUARD::S(E)
      • Refutation
        • P(b);
    • Try
      • K(I);S_FLIGHT
      • Vars
        • P(b);N_GUARD::S(E)
      • Refutation
        • P(b);
    • Try
      • S(A);
      • Refutation
        • K(a);S_FLIGHT,XS(E)
    • Try
      • S(A);
      • Vars
        • K(a);P-FLIGHT,XP(G)::R(F)+S(A)
      • Refutation
        • K(a);S_FLIGHT,XS(E)
    • Try
      • B(B);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(G)::R(F)+B(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(M);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(G)::R(F)+B(M)
      • Refutation
        • K(a);S_FLIGHT,XP(J)
  • Actual
    • S(E);
    • Vars
      • K(a);P-FLIGHT,XP(G)::R(F)+S(E)
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