MESON Chess Problem Database

Problem Display
PID: 258345 (1b6/5K1p/4p3/2n2k2/4N2P/4pP2/3Q3B/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Problemas, 2022

1b6/5K1p/4p3/2n2k2/4N2P/4pP2/3Q3B/8

#2

6 + 6

5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bd6
      • 2.Sxd6#
    • 1...Ba7
      • 2.Sd6#
    • 1...e2
      • 2.Qg5#
  • Tries
    • 1.Qxe3?
      • threat
        • 2.Qg5#
      • 1...Sxe4
        • 2.Qxe4#
      • 1...Bf4
        • 2.Qxf4#
      • 1...h6!
    • 1.Qd4?
      • threat
        • 2.Qf6#
      • 1...Sxe4
        • 2.Qxe4#
      • 1...Be5
        • 2.Qxe5#
      • 1...e5
        • 2.Sg3#
      • 1...Sd7!
    • 1.Qd8?
      • threat
        • 2.Qg5#
        • 2.Qf6#
      • 1...Bf4
        • 2.Qf6#
      • 1...Sd7
        • 2.Qg5#
      • 1...Be5
        • 2.Qg5#
      • 1...h6
        • 2.Qf6#
      • 1...Sxe4!
  • Keys
    • 1.Qd6!
      • threat
        • 2.Sg3#
      • 1...Bxd6
        • 2.Sxd6#
      • 1...Sxe4
        • 2.Qxe6#
      • 1...e5
        • 2.Qf6#

Anticipated by 159024(1980)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(f);N_GUARD::S(D),XB(f)
    • B(f);N_GUARD::S(D)
    • P(a);OGATE::QAR1(A)
  • Tries
    • Try
      • Q(A);XP(a)
      • Threat
        • QAR1(A)
      • Vars
        • S(b);OGATE,XS(D)::QAB1(A),XS(b)
        • B(f);N_GUARD::QAR1(A),XB(f)
      • Refutation
        • P(e);
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • S(b);OGATE,XS(D)::QAB1(A),XS(b)
        • B(f);N_GUARD::QAR1(A),XB(f)
        • P(d);S_CUTB(f)::S(D)
      • Refutation
        • S(b);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(f);::QAR1(A)
        • S(b);::QAR1(A)
        • P(e);::QAR1(A)
      • Refutation
        • S(b);XS(D)
  • Actual
    • Q(A);
    • Threat
      • S(D)
    • Vars
      • B(f);XQ(A)::S(D),XB(f)
      • S(b);N_GUARD,XS(D)::QAB1(A),XP(d)
      • P(d);OGATE::QAR1(A)
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