MESON Chess Problem Database

Problem Display
PID: 69991 (2RbR3/1N1k4/n2B2P1/1p3p2/4P3/8/p5B1/3QK2b w - - 0 1)

Fulpius, Jaques

The Problemist, 2006

2RbR3/1N1k4/n2B2P1/1p3p2/4P3/8/p5B1/3QK2b

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe8
      • 2.Rxd8#
    • 1...Bh4+
      • 2.Bg3#
    • 1...Ba5+
      • 2.Bb4#
    • 1...Bg5
      • 2.Bf4#
    • 1...Bb6
      • 2.Bc5#
    • 1...Bf6
      • 2.Be5#
  • Tries
    • 1.Bh2+?
      • 1...Kxe8
        • 2.Qxd8#
      • 1...Kxc8!
    • 1.Ba3+?
      • 1...Kxe8
        • 2.Rxd8#
        • 2.Qxd8#
      • 1...Kxc8!
    • 1.Bg3+?
      • 1...Kxe8
        • 2.Qxd8#
      • 1...Kxc8!
    • 1.Bb4+?
      • 1...Kxe8
        • 2.Rxd8#
        • 2.Qxd8#
      • 1...Kxc8!
    • 1.Bf4+?
      • 1...Kxe8
        • 2.Qxd8#
      • 1...Kxc8!
    • 1.Bc5+?
      • 1...Kxe8
        • 2.Rxd8#
        • 2.Qxd8#
      • 1...Kxc8!
    • 1.Be5+?
      • 1...Kxe8
        • 2.Qxd8#
      • 1...Kxc8!
    • 1.Bc7+?
      • 1...Kc6
        • 2.Qd5#
      • 1...Kxe8
        • 2.Qxd8#
      • 1...Kxc8!
    • 1.Be7+?
      • 1...Ke6
        • 2.Bxd8#
        • 2.Qd5#
        • 2.Qd6#
      • 1...Kxe8
        • 2.Qxd8#
      • 1...Kxc8!
    • 1.Bb8+?
      • 1...Kxe8
        • 2.Qxd8#
      • 1...Kxc8!
    • 1.Bf8+?
      • 1...Kxe8
        • 2.Rxd8#
        • 2.Qxd8#
      • 1...Kxc8!
  • Keys
    • 1.exf5!
      • threat
        • 2.Rcxd8#
        • 2.Rexd8#
      • 1...Bh4+
        • 2.Bg3#
      • 1...Ba5+
        • 2.Bb4#
      • 1...Kxc8
        • 2.Rxd8#
      • 1...Kxe8
        • 2.Rxd8#
      • 1...Bxg2
        • 2.Rexd8#
      • 1...Bg5
        • 2.Bf4#
      • 1...Bb6
        • 2.Bc5#
      • 1...Bf6
        • 2.Be5#
      • 1...Bc7
        • 2.Bxc7#
      • 1...Be7
        • 2.Bxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(f);P_SPINB(g),S_FLIGHT,XR(I)::R1(H),XB(g)
    • B(g);CHECK::QAR(A)+B(E)
    • B(g);::QAR(A)+B(E)
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • K(f);OGATE,P_SPINB(g),S_FLIGHT,XR(I)::QAR1(A),XB(g)
      • Refutation
        • K(f);P_SPINB(g),S_FLIGHT,XR(H)
    • Try
      • B(E);CHECK
      • Refutation
        • K(f);P_SPINB(g),S_FLIGHT,XR(H)
    • Try
      • B(E);CHECK
      • Vars
        • K(f);OGATE,P_SPINB(g),S_FLIGHT,XR(I)::QAR1(A),XB(g)
      • Refutation
        • K(f);P_SPINB(g),S_FLIGHT,XR(H)
    • Try
      • B(E);CHECK
      • Refutation
        • K(f);P_SPINB(g),S_FLIGHT,XR(H)
    • Try
      • B(E);CHECK
      • Vars
        • K(f);OGATE,P_SPINB(g),S_FLIGHT,XR(I)::QAR1(A),XB(g)
      • Refutation
        • K(f);P_SPINB(g),S_FLIGHT,XR(H)
    • Try
      • B(E);CHECK
      • Refutation
        • K(f);P_SPINB(g),S_FLIGHT,XR(H)
    • Try
      • B(E);CHECK
      • Vars
        • K(f);OGATE,P_SPINB(g),S_FLIGHT,XR(I)::QAR1(A),XB(g)
      • Refutation
        • K(f);P_SPINB(g),S_FLIGHT,XR(H)
    • Try
      • B(E);CHECK
      • Vars
        • K(f);S_FLIGHT::QAB1(A)
        • K(f);OGATE,P_SPINB(g),S_FLIGHT,XR(I)::QAR1(A),XB(g)
      • Refutation
        • K(f);P_SPINB(g),S_FLIGHT,XR(H)
    • Try
      • B(E);CHECK
      • Vars
        • K(f);OGATE,P_SPINB(g),S_FLIGHT,XR(I)::QAR1(A),XB(g)
      • Refutation
        • K(f);P_SPINB(g),S_FLIGHT,XR(H)
    • Try
      • B(E);CHECK
      • Vars
        • K(f);OGATE,P_SPINB(g),S_FLIGHT,XR(I)::QAR1(A),XB(g)
      • Refutation
        • K(f);P_SPINB(g),S_FLIGHT,XR(H)
    • Try
      • B(E);CHECK
      • Refutation
        • K(f);P_SPINB(g),S_FLIGHT,XR(H)
  • Actual
    • P(D);XP(d)
    • Threat
      • DUALS(2)
    • Vars
      • B(g);CHECK::QAR(A)+B(E)
      • K(f);P_SPINB(g),S_FLIGHT,XR(H)::R1(I),XB(g)
      • K(f);P_SPINB(g),S_FLIGHT,XR(I)::R1(H),XB(g)
      • B(a);XB(C)::R1(I),XB(g)
      • B(g);::QAR(A)+B(E)
      • B(g);::QAR(A)+B(E),XB(g)
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