MESON Chess Problem Database

Problem Display
PID: 159020 (8/7P/8/8/8/4K3/3pp3/3kN2Q w - - 0 1)

Aksanov, T

Raketa, 1985

8/7P/8/8/8/4K3/3pp3/3kN2Q

#2

4 + 3

5454 Near Snap 2016
15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Qd5?
      • threat
        • 2.Qxd2#
      • 1...Kxe1
        • 2.Qh1#
      • 1...Kc1!
    • 1.Qb7?
      • threat
        • 2.Qb1#
      • 1...Kxe1
        • 2.Qh1#
      • 1...Kc1!
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qb1#
      • 1...Kc1
        • 2.Qc2#
      • 1...Kxe1
        • 2.Qh1#

Anticipated by 132874(1985)

FEATURES

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