MESON Chess Problem Database

Problem Display
PID: 276486 (r7/4P2R/2P1k3/6P1/1p2P3/bP4B1/4K2p/3B4 w - - 0 1)

Rouzaud, Philippe

Phenix, 2003

r7/4P2R/2P1k3/6P1/1p2P3/bP4B1/4K2p/3B4

#2

9 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Ra4
      • 2.e8Q#
      • 2.e8R#
    • 1...Ra5
      • 2.e8Q#
      • 2.e8R#
    • 1...Ra6
      • 2.e8Q#
      • 2.e8R#
    • 1...Rd8
      • 2.exd8S#
    • 1...Rf8
      • 2.exf8S#
  • Tries
    • 1.Kd2?
      • threat
        • 2.Bg4#
      • 1...Rd8+
        • 2.exd8S#
      • 1...Ra5
        • 2.e8Q#
        • 2.e8R#
      • 1...Rf8
        • 2.exf8S#
      • 1...Bc1+!
    • 1.Kf2?
      • threat
        • 2.Bg4#
      • 1...Rf8+
        • 2.exf8S#
      • 1...Ra5
        • 2.e8Q#
        • 2.e8R#
      • 1...h1S+!
    • 1.Ke3?
      • threat
        • 2.Bg4#
      • 1...Ra5
        • 2.e8Q#
        • 2.e8R#
      • 1...Rf8
        • 2.exf8S#
      • 1...Bc1+!
  • Keys
    • 1.Kd3!
      • threat
        • 2.Bg4#
      • 1...Rd8+
        • 2.exd8S#
      • 1...Ra5
        • 2.e8Q#
        • 2.e8R#
      • 1...Rf8
        • 2.exf8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(e);N_GUARD::P=Q
    • R(e);OGATE::PXR(e)=S
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Threat
        • B(A)
      • Vars
        • R(e);CHECK,OGATE::PXR(e)=S
        • R(e);N_GUARD::P=Q
        • R(e);OGATE::PXR(e)=S
      • Refutation
        • B(b);CHECK
    • Try
      • K(B);P-FLIGHT
      • Threat
        • B(A)
      • Vars
        • R(e);CHECK,OGATE::PXR(e)=S
        • R(e);N_GUARD::P=Q
      • Refutation
        • P(a);CHECK
    • Try
      • K(B);P-FLIGHT
      • Threat
        • B(A)
      • Vars
        • R(e);N_GUARD::P=Q
        • R(e);OGATE::PXR(e)=S
      • Refutation
        • B(b);CHECK
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • B(A)
    • Vars
      • R(e);CHECK,OGATE::PXR(e)=S
      • R(e);N_GUARD::P=Q
      • R(e);OGATE::PXR(e)=S
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