MESON Chess Problem Database

Problem Display
PID: 158223 (7B/4p3/p3K3/R7/2P1P3/Pp2p3/pP2N3/kbR5 w - - 0 1)

Rice, John Michael

British Chess Magazine, 1999

7B/4p3/p3K3/R7/2P1P3/Pp2p3/pP2N3/kbR5

#2

9 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Ke5?
      • 1...Kxb2
        • 2.Ke6#
      • 1...e6!
    • 1.Sc3?
      • 1...Kxb2
        • 2.Se2#
      • 1...e2!
    • 1.Rc2?
      • 1...bxc2
        • 2.b3#
        • 2.b4#
      • 1...Bxc2!
    • 1.Re5?
      • 1...Kxb2
        • 2.Ra5#
      • 1...a5!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sxb3#
      • 1...Kxb2
        • 2.Se2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(H);P-FLIGHT
      • Vars
        • K(a);N_SPINB(b),S_FLIGHT,XP(B)::B(I)+K(H)
      • Refutation
        • P(g);
    • Try
      • S(C);
      • Vars
        • K(a);N_SPINB(b),S_FLIGHT,XP(B)::B(I)+S(C)
      • Refutation
        • P(e);
    • Try
      • R(A);N_PINB(b)
      • Refutation
        • B(b);XR(A)
    • Try
      • R(G);
      • Vars
        • K(a);N_SPINB(b),OGATEB,S_FLIGHT,XP(B)::B(I)+R(G)
      • Refutation
        • P(f);
  • Actual
    • S(C);
    • Threat
      • S(C),XP(d)
    • Vars
      • K(a);N_SPINB(b),S_FLIGHT,XP(B)::B(I)+S(C)
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