MESON Chess Problem Database

Problem Display
PID: 179282 (4RB2/1n1pKN2/5R2/1b6/3ppPB1/3Pk3/2P4Q/2n5 w - - 0 1)

Kopyl, Valery Volodimirovich

Sachmatija, 2014

4RB2/1n1pKN2/5R2/1b6/3ppPB1/3Pk3/2P4Q/2n5

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sa2
      • 2.Qe2#
    • 1...Se2
      • 2.Qxe2#
    • 1...Sb3
      • 2.Qe2#
    • 1...Sxd3
      • 2.Qe2#
  • Tries
    • 1.Sd6?
      • threat
        • 2.Sf5#
      • 1...exd3
        • 2.Kf7#
      • 1...Se2
        • 2.Qxe2#
      • 1...Sxd6!
    • 1.Sh6?
      • threat
        • 2.Sf5#
      • 1...exd3
        • 2.Kf7#
      • 1...Se2
        • 2.Qxe2#
      • 1...Sd6!
    • 1.Rh6?
      • threat
        • 2.Rh3#
      • 1...exd3
        • 2.Kf6#
      • 1...Se2!
  • Keys
    • 1.Bh6!
      • threat
        • 2.f5#
      • 1...Sxd3
        • 2.Qe2#
      • 1...exd3
        • 2.Kf8#
      • 1...Se2
        • 2.Qxe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • S(a);N_GUARD::QAR1(B)
    • S(a);N_GUARD::QAR1(B),XS(a)
    • S(a);N_GUARD,XP(C)::QAR1(B)
  • Tries
    • Try
      • S(H);
      • Threat
        • S(H)
      • Vars
        • P(d);XP(C)::R(I)+K(G)
        • S(a);N_GUARD::QAR1(B),XS(a)
      • Refutation
        • S(f);XS(H)
    • Try
      • S(H);
      • Threat
        • S(H)
      • Vars
        • P(d);XP(C)::R(I)+K(G)
        • S(a);N_GUARD::QAR1(B),XS(a)
      • Refutation
        • S(f);
    • Try
      • R(F);
      • Threat
        • R(F)
      • Vars
        • P(d);XP(C)::R(I)+K(G)
      • Refutation
        • S(a);
  • Actual
    • B(J);
    • Threat
      • B(J)+P(D)
    • Vars
      • S(a);N_GUARD,XP(C)::QAR1(B)
      • P(d);XP(C)::R(I)+K(G)
      • S(a);N_GUARD::QAR1(B),XS(a)
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