MESON Chess Problem Database

Problem Display
PID: 101087 (1B1bB3/n1PPRPP1/1p1k2N1/pp2r3/4p3/4p3/4K3/8 w - - 0 1)

Mari, Alberto

Good Companions, 1921

1B1bB3/n1PPRPP1/1p1k2N1/pp2r3/4p3/4p3/4K3/8

#2

9 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Rxe5!
      • threat
        • 2.cxd8S#
      • 1...Kc6
        • 2.cxd8S#
      • 1...Bxc7
        • 2.d8Q#
        • 2.d8R#
      • 1...Bh4
        • 2.c8Q#
        • 2.c8R#
      • 1...Bg5
        • 2.c8Q#
        • 2.c8R#
      • 1...Bf6
        • 2.c8Q#
        • 2.c8R#
      • 1...Be7
        • 2.c8Q#
        • 2.c8R#
      • 1...Sc6
        • 2.c8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(E);XR(e)
    • Threat
      • PXB(i)=S
    • Vars
      • K(g);P-FLIGHT::PXB(i)=S
      • B(i);OGATE,P_SPINB(i),XP(C)::P=Q
      • B(i);N_GUARD::P=Q
      • S(h);SBLOCK::P=S
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