MESON Chess Problem Database

Problem Display
PID: 175949 (6r1/8/1B6/8/3rp3/P6Q/3P1P1N/RN2K1k1 w Q - 0 1)

Barnes, Barry Peter

Busmen's Chess Review, 1962

6r1/8/1B6/8/3rp3/P6Q/3P1P1N/RN2K1k1

#2

9 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kh1
      • 2.Sf3#
    • 1...e3
      • 2.Sf3#
  • Tries
    • 1.Ke2?
      • threat
        • 2.Sc3#
      • 1...Rxd2+
        • 2.Sxd2#
      • 1...Kh1
        • 2.Sf3#
      • 1...Rb4!
    • 1.Sg4?
      • threat
        • 2.Qf1#
        • 2.Qh2#
      • 1...Rh8
        • 2.Qf1#
      • 1...Rxg4!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Ke2#
      • 1...Kh1
        • 2.Sf3#
      • 1...Rxd2
        • 2.Kxd2#
      • 1...Rb4
        • 2.0-0-0#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT::QAR(H)+S(F)
    • P(c);N_GUARD::S(F)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • R(A)+S(B)
      • Vars
        • R(b);CHECK,XP(D)::R(A)+S(B),XR(b)
        • K(a);P-FLIGHT::QAR(H)+S(F)
      • Refutation
        • R(b);
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • R(d);::QAR1(H)
      • Refutation
        • R(d);XS(F)
  • Actual
    • S(B);
    • Threat
      • R(A)+K(C)
    • Vars
      • K(a);P-FLIGHT::QAR(H)+S(F)
      • R(b);XP(D)::R(A)+K(C),XR(b)
      • R(b);::0-0-0
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