MESON Chess Problem Database

Problem Display
PID: 2253 (7b/1p6/1R6/r1p5/k3N3/3Q4/2p3K1/nbN5 w - - 0 1)

Cook, Eugene Beauharnais

Source?, 0000

7b/1p6/1R6/r1p5/k3N3/3Q4/2p3K1/nbN5

#2

5 + 8

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.Qxb3#
  • Tries
    • 1.Qb5+?
      • 1...Ka3
        • 2.Qxa5#
      • 1...Rxb5!
  • Keys
    • 1.Rb3!
      • threat
        • 2.Qc4#
      • 1...Sxb3
        • 2.Qxb3#
      • 1...Rb5
        • 2.Qxb5#
      • 1...Ra6
        • 2.Qb5#
      • 1...Ra7
        • 2.Qb5#
      • 1...Ra8
        • 2.Qb5#
      • 1...Bc3
        • 2.Sxc3#
      • 1...c4
        • 2.Qxc4#
      • 1...b5
        • 2.Sxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAB1(C),XS(a)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);P-FLIGHT::QAR2(C),XR(e)
      • Refutation
        • R(e);XQ(C)
  • Actual
    • R(E);
    • Threat
      • QAR2(C)
    • Vars
      • S(a);OGATE,XR(E)::QAB1(C),XS(a)
      • R(e);N_GUARD::QAB1(C),XR(e)
      • R(e);N_GUARD::QAB1(C)
      • B(h);N_GUARD::S(D),XB(h)
      • P(f);::QAR2(C),XP(f)
      • P(g);S_CUTR(e)::S(D),XP(f)
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