MESON Chess Problem Database

Problem Display
PID: 15222 (4Q3/8/8/8/8/4K3/8/4k2n w - - 0 1)

Kapros, Jorge Marcelo

Il Duale, 1981

4Q3/8/8/8/8/4K3/8/4k2n

#2

2 + 2

3295 Einfuhrung in die Welt des Schachproblem 1984
5454 Near Snap 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qh5?
      • threat
        • 2.Qe2#
        • 2.Qxh1#
      • 1...Kf1
        • 2.Qxh1#
      • 1...Sf2
        • 2.Qe2#
      • 1...Sg3!
    • 1.Qg6?
      • threat
        • 2.Qb1#
        • 2.Qg1#
      • 1...Kd1
        • 2.Qb1#
      • 1...Sf2
        • 2.Qg1#
      • 1...Sg3
        • 2.Qb1#
      • 1...Kf1!
    • 1.Qe4?
      • threat
        • 2.Qb1#
        • 2.Qxh1#
      • 1...Kd1
        • 2.Qb1#
      • 1...Kf1
        • 2.Qxh1#
      • 1...Sg3
        • 2.Qb1#
      • 1...Sf2!
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qe2#
        • 2.Qb1#
      • 1...Kd1
        • 2.Qb1#
      • 1...Sf2
        • 2.Qe2#
      • 1...Sg3
        • 2.Qb1#

Anticipated by 2446(0000), 9304(1868), 44560(1868), 6393(1929)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAR2(B),XS(b)
        • S(b);::QAR1(B)
      • Refutation
        • S(b);
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
        • S(b);::QAR2(B)
        • S(b);::QAR(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
        • K(a);P-FLIGHT::QAR2(B),XS(b)
        • S(b);::QAR(B)
      • Refutation
        • S(b);
  • Actual
    • Q(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);P-FLIGHT::QAR2(B)
      • S(b);::QAR1(B)
      • S(b);::QAR(B)
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