MESON Chess Problem Database

Problem Display
PID: 9591 (8/1N6/1pPK4/1N6/n1k1B3/P3P3/1nP5/1R6 w - - 0 1)

Chandler, Guy Wills

Hobbies, 1906

8/1N6/1pPK4/1N6/n1k1B3/P3P3/1nP5/1R6

#2

9 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kxb5
      • 2.Bd3#
    • 1...Sd1
      • 2.Bd3#
      • 2.Bd5#
      • 2.Rb4#
    • 1...Sd3
      • 2.Bxd3#
      • 2.Bd5#
      • 2.cxd3#
  • Tries
    • 1.Ke5?
      • 1...Sd3+
        • 2.Bxd3#
        • 2.cxd3#
      • 1...Sd1
        • 2.Bd3#
        • 2.Bd5#
        • 2.Rb4#
      • 1...Sc3
        • 2.S5d6#
      • 1...Sc5
        • 2.S7d6#
      • 1...Kxb5!
    • 1.Kd7?
      • 1...Kxb5
        • 2.Bd3#
      • 1...Sd1
        • 2.Rb4#
      • 1...Sd3
        • 2.cxd3#
      • 1...Sc3
        • 2.S5d6#
      • 1...Sc5+!
    • 1.Ke7?
      • 1...Sd1
        • 2.Rb4#
      • 1...Sd3
        • 2.cxd3#
      • 1...Sc3
        • 2.S5d6#
      • 1...Sc5
        • 2.S7d6#
      • 1...Kxb5!
    • 1.Rxb2?
      • threat
        • 2.Bd3#
        • 2.Bd5#
        • 2.Rb4#
      • 1...Sc3
        • 2.Bd3#
        • 2.Rb4#
      • 1...Sc5
        • 2.Bd5#
        • 2.Rb4#
      • 1...Sxb2!
  • Keys
    • 1.Kc7!
      • 1...Kxb5
        • 2.Bd3#
      • 1...Sd1
        • 2.Rb4#
      • 1...Sd3
        • 2.cxd3#
      • 1...Sc3
        • 2.S5d6#
      • 1...Sc5
        • 2.S7d6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINS(a),S_FLIGHT,XS(F)::B(E)
  • Tries
    • Try
      • K(H);S_FLIGHT
      • Vars
        • S(b);SBLOCK::S(F)
        • S(b);SBLOCK::S(I)
      • Refutation
        • K(c);P_SPINS(a),S_FLIGHT,XS(F)
    • Try
      • K(H);P-FLIGHT
      • Vars
        • K(c);P_SPINS(a),S_FLIGHT,XS(F)::B(E)
        • S(a);OGATE::R1(A)
        • S(a);OGATE::P(B),XS(a)
        • S(b);SBLOCK::S(F)
      • Refutation
        • S(b);CHECK
    • Try
      • K(H);S_FLIGHT
      • Vars
        • S(a);OGATE::R1(A)
        • S(a);OGATE::P(B),XS(a)
        • S(b);SBLOCK::S(F)
        • S(b);SBLOCK::S(I)
      • Refutation
        • K(c);P_SPINS(a),S_FLIGHT,XS(F)
    • Try
      • R(A);XS(a)
      • Threat
        • DUALS(3)
      • Refutation
        • S(b);XR(A)
  • Actual
    • K(H);S_FLIGHT
    • Vars
      • K(c);P_SPINS(a),S_FLIGHT,XS(F)::B(E)
      • S(a);OGATE::R1(A)
      • S(a);OGATE::P(B),XS(a)
      • S(b);SBLOCK::S(F)
      • S(b);SBLOCK::S(I)
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