MESON Chess Problem Database

Problem Display
PID: 101675 (rk2K3/1PR5/3p4/1N6/8/8/1R5B/8 w - - 0 1)

Sebillotte, Regis

diagrammes, 1989

rk2K3/1PR5/3p4/1N6/8/8/1R5B/8

#2

6 + 3

6490 yacpdb 2009
5454 Near Snap 2013
3713 Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Rd7#
      • 2.Re7#
      • 2.Rf7#
      • 2.Rg7#
      • 2.Rh7#
  • Keys
    • 1.Sa7!
      • 1...Kxa7+
        • 2.b8S#
      • 1...Kxc7+
        • 2.bxa8S#
      • 1...Rxa7
        • 2.Rc8#
      • 1...d5
        • 2.Sc6#

This anticipates 146677(1993), 262963(2008)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(C);
    • Vars
      • K(c);CHECK,OGATE,S_FLIGHT,XS(C)::P=S
      • K(c);CHECK,P_SPINP(a),S_FLIGHT,XR(E)::PXR(b)=S
      • R(b);SBLOCK,XS(C)::R1(E)
      • P(a);::S(C)
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