MESON Chess Problem Database

Problem Display
PID: 244811 (1B6/8/6P1/6RK/n1b1P3/RQ2pp1k/8/7r w - - 0 1)

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

Schach, 1999

1B6/8/6P1/6RK/n1b1P3/RQ2pp1k/8/7r

#2

7 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rh2
      • 2.Rg3#
    • 1...Bf1
      • 2.Qe6#
    • 1...Be2
      • 2.Qe6#
    • 1...Bd3
      • 2.Qe6#
    • 1...Bb5
      • 2.Qe6#
    • 1...Ba6
      • 2.Qe6#
    • 1...Be6
      • 2.Qxe6#
    • 1...e2
      • 2.Qxf3#
    • 1...f2
      • 2.Qxe3#
  • Tries
    • 1.Ra2?
      • threat
        • 2.Rg3#
      • 1...Rg1
        • 2.Rh2#
      • 1...Be2
        • 2.Qe6#
      • 1...e2
        • 2.Qxf3#
      • 1...f2
        • 2.Qxe3#
      • 1...Sb2!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Rg3#
      • 1...Rg1
        • 2.Qh2#
      • 1...Be2
        • 2.Qc8#
      • 1...e2
        • 2.Rxf3#
      • 1...f2
        • 2.Rxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(a);SBLOCK::R1(D)
    • B(f);OGATE::QAB(B)
    • B(f);OGATE::QAB(B),XB(f)
    • P(b);OGATE,P_SPINP(c)::QAR2(B),XP(c)
    • P(c);OGATEB,P_SPINP(b)::QAR(B),XP(b)
  • Tries
    • Try
      • R(A);
      • Threat
        • R1(D)
      • Vars
        • R(a);N_GUARD::R1(A)
        • B(f);OGATE::QAB(B)
        • P(b);OGATE,P_SPINP(c)::QAR2(B),XP(c)
        • P(c);OGATEB,P_SPINP(b)::QAR(B),XP(b)
      • Refutation
        • S(e);
  • Actual
    • Q(B);
    • Threat
      • R1(D)
    • Vars
      • R(a);N_GUARD::QAR1(B)
      • B(f);OGATE::QAB(B)
      • P(b);OGATE,P_SPINP(c)::R(A),XP(c)
      • P(c);OGATEB,P_SPINP(b)::R(A),XP(b)
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