MESON Chess Problem Database

Problem Display
PID: 202991 (8/8/4p3/4Rb2/1n1k1NN1/B2P4/rP2R2K/8 w - - 0 1)

Mihalcescu, Alexandru

04. YCCC, 2019

8/8/4p3/4Rb2/1n1k1NN1/B2P4/rP2R2K/8

#2

8 + 5

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb2
      • 2.Bxb2#
    • 1...Be4
      • 2.R2xe4#
    • 1...Bxg4
      • 2.R2e4#
    • 1...Sc2
      • 2.Bc5#
    • 1...Sc6
      • 2.Bc5#
  • Keys
    • 1.Rc2!
      • threat
        • 2.Rc4#
      • 1...Rxb2
        • 2.Bxb2#
      • 1...Bxd3
        • 2.Sxe6#
      • 1...Bxg4
        • 2.Re4#
      • 1...Sxc2
        • 2.Bc5#
      • 1...Sxd3
        • 2.Se2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(a);OGATE,P_PINR(B),XP(A)::B(D),XR(a)
    • B(d);N_GUARD::R1(B),XB(d)
    • B(d);N_GUARD,XS(G)::R1(B)
    • S(b);OGATE::B(D)
  • Actual
    • R(B);
    • Threat
      • R1(B)
    • Vars
      • R(a);OGATE,P_PINR(B),XP(A)::B(D),XR(a)
      • B(d);N_GUARD,SBLOCK,XP(E)::S(F),XP(e)
      • B(d);N_GUARD,XS(G)::R1(H)
      • S(b);OGATE,XR(B)::B(D)
      • S(b);SBLOCK,XP(E)::S(F)
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