MESON Chess Problem Database

Problem Display
PID: 121443 (8/6N1/nK6/8/4kpN1/8/3Q4/8 w - - 0 1)

Kresina, J

Vynalezy a pokroky, 1908

8/6N1/nK6/8/4kpN1/8/3Q4/8

#2

4 + 3

6490 yacpdb 2009
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Qe3+?
      • 1...Kd5
        • 2.Qd3#
      • 1...fxe3!
    • 1.Qe2+?
      • 1...Kd5
        • 2.Qd3#
      • 1...Kd4!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Sf6#
      • 1...Kd5
        • 2.Qd3#
      • 1...f3
        • 2.Qc4#

This anticipates 121444(1917)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • P(b);XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • S(B)
    • Vars
      • K(a);S_FLIGHT::QAR2(A)
      • P(b);SBLOCK::QAR2(A)
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