MESON Chess Problem Database

Problem Display
PID: 134401 (8/2K5/p3p3/k1P1rp2/P4P1B/Q1R1P3/8/r1R5 w - - 0 1)

Guilbot, Fernand

1st Prize, Servais MT, 1969

8/2K5/p3p3/k1P1rp2/P4P1B/Q1R1P3/8/r1R5

#2

9 + 6

702 Phenix 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc5+
      • 2.Rxc5#
  • Keys
    • 1.Be1!
      • threat
        • 2.R3c2#
        • 2.Rb3#
        • 2.Rd3#
        • 2.Rc4#
      • 1...Rxc5+
        • 2.Rxc5#
      • 1...Rxc1
        • 2.Rxc1#
      • 1...Rxa3
        • 2.Rxa3#
      • 1...Rxe3
        • 2.Rxe3#
      • 1...Rb1
        • 2.Rb3#
      • 1...Ra2
        • 2.R3c2#
      • 1...Re4
        • 2.Rc4#
      • 1...Rd5
        • 2.Rd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • R(c);CHECK,OGATE,XP(H)::R(C),XR(c)
  • Actual
    • B(G);
    • Threat
      • DUALS(4)
    • Vars
      • R(c);CHECK,OGATE,XP(H)::B(G)+R(C),DCHECK,XR(c)
      • R(a);OGATE,XR(A)::B(G)+R(C),XR(a)
      • R(a);OGATE,XQ(B)::B(G)+R(C),XR(a)
      • R(c);OGATE,XP(D)::B(G)+R(C),XR(c)
      • R(a);::B(G)+R(C)
      • R(c);::B(G)+R(C)
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