MESON Chess Problem Database

Problem Display
PID: 224814 (8/1b4K1/3N4/2R3p1/1B1k1p2/3ppR2/1n5Q/2b4N w - - 0 1)

Kazimov, Islam

Sachova skladba, 2005

8/1b4K1/3N4/2R3p1/1B1k1p2/3ppR2/1n5Q/2b4N

#2

7 + 8

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Sb5#
  • Tries
    • 1.Rxf4+?
      • 1...Be4
        • 2.Sb5#
        • 2.Sf5#
        • 2.Rxe4#
      • 1...gxf4!
    • 1.Qxf4+?
      • 1...Be4
        • 2.Sb5#
        • 2.Sf5#
        • 2.Qe5#
        • 2.Qxe4#
        • 2.Qf6#
      • 1...gxf4!
  • Keys
    • 1.Rxe3!
      • threat
        • 2.Sf5#
      • 1...Kxe3
        • 2.Qf2#
      • 1...Bxe3
        • 2.Qxb2#
      • 1...fxe3
        • 2.Qe5#
      • 1...Be4
        • 2.Rxe4#
      • 1...Bc8
        • 2.Re4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(h);SBLOCK::S(F)
  • Tries
    • Try
      • R(C);CHECK,XP(f)
      • Refutation
        • P(g);XR(C)
    • Try
      • Q(B);CHECK,XP(f)
      • Refutation
        • P(g);XQ(B)
  • Actual
    • R(C);XP(d)
    • Threat
      • S(F)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XR(C)::QAB1(B)
      • B(a);N_GUARD,SBLOCK,XR(C)::QAB(B),XS(b)
      • P(f);OGATE,XR(C)::QAB1(B)
      • B(h);N_GUARD::R1(C),XB(h)
      • B(h);N_GUARD::R1(C)
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