MESON Chess Problem Database

Problem Display
PID: 103727 (K7/2pp3Q/Rb1rP3/2PknR2/7N/8/4B3/6B1 w - - 0 1)

Rowland, Thomas B

Irish Times, 1883

K7/2pp3Q/Rb1rP3/2PknR2/7N/8/4B3/6B1

#2

9 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Rxe5+?
      • 1...Kxe5
        • 2.Qf5#
      • 1...Kc6!
    • 1.Qg7?
      • 1...Ke4
        • 2.Qxe5#
      • 1...Kxe6
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Rxe6
        • 2.Qg2#
      • 1...Bxc5
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...dxe6
        • 2.Qg2#
      • 1...Rc6
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Ba5
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Ba7
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...c6
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Kc6!
  • Keys
    • 1.Sg6!
      • 1...Ke4
        • 2.Rxe5#
      • 1...Kc6
        • 2.Se7#
      • 1...Kxe6
        • 2.Sf4#
      • 1...Rxe6
        • 2.Qh1#
      • 1...Bxc5
        • 2.Rxe5#
      • 1...dxe6
        • 2.Qh1#
      • 1...Rc6
        • 2.Rxe5#
      • 1...Ba5
        • 2.Rxe5#
      • 1...Ba7
        • 2.Rxe5#
      • 1...c6
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK,XS(b)
      • Vars
        • K(a);P-FLIGHT,XR(E)::QAR1(H)
      • Refutation
        • K(a);P_SPINB(c),S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::QAR1(H),XS(b)
        • R(d);SBLOCK,XP(G)::QAB(H)
        • P(f);SBLOCK,XP(G)::QAB(H)
      • Refutation
        • K(a);N_SPINS(b),P_SPINB(c),S_FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(a);N_SPINS(b),S_FLIGHT::R1(E),XS(b)
      • K(a);N_SPINS(b),P_SPINB(c),S_FLIGHT::S(C)
      • K(a);N_SPINS(b),S_FLIGHT,XP(G)::S(C)
      • R(d);SBLOCK,XP(G)::QAB(H)
      • B(c);XP(D)::R1(E),XS(b)
      • P(f);SBLOCK,XP(G)::QAB(H)
      • R(d);SBLOCK::R1(E),XS(b)
      • B(c);::R1(E),XS(b)
      • P(e);SBLOCK::R1(E),XS(b)
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