MESON Chess Problem Database

Problem Display
PID: 218315 (8/8/6bB/4bpPn/5kP1/1r2Rp2/5P1N/1B3NK1 w - - 0 1)

Coello Alonso, Jose Antonio

Uris, Miguel

BCPS Website, 2020

8/8/6bB/4bpPn/5kP1/1r2Rp2/5P1N/1B3NK1

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rb2
      • 2.Rxf3#
    • 1...Rxe3
      • 2.fxe3#
    • 1...Rb4
      • 2.Rxf3#
    • 1...Rb5
      • 2.Rxf3#
    • 1...Rb6
      • 2.Rxf3#
    • 1...Rb7
      • 2.Rxf3#
    • 1...Rb8
      • 2.Rxf3#
    • 1...Bf6
      • 2.gxf6#
    • 1...Bf7
      • 2.g6#
    • 1...Bh7
      • 2.g6#
    • 1...Be8
      • 2.g6#
    • 1...Sg3
      • 2.fxg3#
    • 1...Sf6
      • 2.gxf6#
  • Keys
    • 1.Bxf5!
      • threat
        • 2.Re4#
      • 1...Rxe3
        • 2.fxe3#
      • 1...Bxf5
        • 2.g6#
      • 1...Rb4
        • 2.Rxf3#
      • 1...Sg3
        • 2.fxg3#
      • 1...Sf6
        • 2.gxf6#

This is a version of 218314

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 9
  • Sets
    • R(a);N_GUARD::R1(F),XP(b)
    • R(a);OGATE,XR(F)::P(D),XR(a)
    • B(d);OGATE::B(I)+P(H),XB(d)
    • B(g);OGATE::B(I)+P(H)
    • S(f);OGATE::P(D),XS(f)
    • S(f);OGATE::B(I)+P(H),XS(f)
  • Actual
    • B(A);XP(e)
    • Threat
      • R1(F)
    • Vars
      • R(a);OGATE,XR(F)::P(D),XR(a)
      • B(g);OGATE,XB(A)::B(I)+P(H)
      • R(a);N_GUARD::R1(F),XP(b)
      • S(f);OGATE::P(D),XS(f)
      • S(f);OGATE::B(I)+P(H),XS(f)
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