MESON Chess Problem Database

Problem Display
PID: 147025 (8/6pB/p5R1/Q7/P2B4/3kPp2/3P1P2/2K4R w - - 0 1)

Bicknell, Stephen

Australian Chess Problem Magazine, 1995

8/6pB/p5R1/Q7/P2B4/3kPp2/3P1P2/2K4R

#2

10 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Rg4#
      • 2.Re6#
      • 2.Rxg7#
  • Tries
    • 1.Kd1?
      • 1...Ke4
        • 2.Rg4#
        • 2.Re6#
        • 2.Rxg7#
      • 1...Kc4!
    • 1.Kb2?
      • 1...Kc4
        • 2.Rc6#
      • 1...Ke4
        • 2.Rg4#
        • 2.Re6#
        • 2.Rxg7#
      • 1...Ke2!
    • 1.Re1?
      • 1...Ke4
        • 2.Rg4#
        • 2.Re6#
        • 2.Rxg7#
      • 1...Kc4!
    • 1.Rf1?
      • 1...Ke2
        • 2.Qxa6#
      • 1...Ke4
        • 2.Rg4#
        • 2.Re6#
        • 2.Rxg7#
      • 1...Kc4!
    • 1.Rh5?
      • 1...Kc4
        • 2.Qc3#
      • 1...Ke4
        • 2.Rg4#
        • 2.Re6#
        • 2.Rxg7#
        • 2.Qf5#
      • 1...Ke2!
    • 1.Qb5+?
      • 1...Ke4
        • 2.Rh4#
        • 2.Rg4#
        • 2.Re6#
        • 2.Rxg7#
        • 2.d3#
      • 1...axb5!
  • Keys
    • 1.e4!
      • 1...Ke2
        • 2.Qxa6#
      • 1...Kc4
        • 2.Qc3#
      • 1...Kxd4
        • 2.Qd5#
      • 1...Kxe4
        • 2.Rg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::R(I)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);S_FLIGHT::QAB(H),XP(c)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(H);CHECK
      • Refutation
        • P(c);XQ(H)
  • Actual
    • P(E);
    • Vars
      • K(a);S_FLIGHT::QAB(H),XP(c)
      • K(a);S_FLIGHT::QAR1(H)
      • K(a);OGATEB,P-FLIGHT,XB(G)::QAR1(H)
      • K(a);OGATEB,S_FLIGHT,XP(E)::B(J)+R(I),DCHECK
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