MESON Chess Problem Database

Problem Display
PID: 132799 (2b2K1N/rq2PQ2/1pP1P1P1/1RB3k1/7R/4p2p/2B3nP/2b1n1N1 w - - 0 1)

Baxter, FL

The Field, 1958

(First published on Thu Oct 9 1958)

2b2K1N/rq2PQ2/1pP1P1P1/1RB3k1/7R/4p2p/2B3nP/2b1n1N1

#2

13 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe7+
      • 2.Bxe7#
    • 1...Sxc2
      • 2.Sf3#
    • 1...Sd3
      • 2.Sf3#
    • 1...Sf3
      • 2.Sxf3#
    • 1...Sf4
      • 2.Qxf4#
    • 1...e2
      • 2.Bf2#
  • Tries
    • 1.Rh5+?
      • 1...Kg4
        • 2.Qf5#
      • 1...Kxh5!
  • Keys
    • 1.Bd1!
      • threat
        • 2.Rh5#
      • 1...Qxe7+
        • 2.Bxe7#
      • 1...Kxh4
        • 2.Qf6#
      • 1...Sxh4
        • 2.Bxe3#
      • 1...Sf3
        • 2.Sxf3#
      • 1...Sf4
        • 2.Qxf4#
      • 1...e2
        • 2.Bf2#

This is a version of 162639

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • Q(i);CHECK,OGATE,XP(J)::R(E)+B(F),DCHECK,XQ(i)
    • S(b);N_GUARD,XB(B)::S(A)
    • S(b);N_GUARD::S(A)
    • S(b);N_GUARD::S(A),XS(b)
    • S(c);N_GUARD::QAB1(K),XS(c)
    • P(d);OGATE::R(E)+B(F)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(f);P-FLIGHT::QAB1(K)
      • Refutation
        • K(f);P-FLIGHT,XR(D)
  • Actual
    • B(B);
    • Threat
      • R1(D)
    • Vars
      • Q(i);CHECK,OGATE,XP(J)::R(E)+B(F),DCHECK,XQ(i)
      • K(f);S_FLIGHT,XR(D)::QAB(K)
      • S(c);SBLOCK,XR(D)::R(E)+B(F),DCHECK,XP(d)
      • S(b);N_GUARD::S(A),XS(b)
      • S(c);N_GUARD::QAB1(K),XS(c)
      • P(d);OGATE::R(E)+B(F)
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Developed and maintained by Brian Stephenson.
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