MESON Chess Problem Database

Problem Display
PID: 167307 (3Q4/8/5N2/4kp2/3N1p2/8/8/2K5 w - - 0 1)

Ricci, M

Nuova Rivista degli Scacchi, 1886

3Q4/8/5N2/4kp2/3N1p2/8/8/2K5

#2

4 + 3

15148 Sadier Collection 2018
5454 Near Snap 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Sb5?
      • threat
        • 2.Qe7#
        • 2.Qd6#
      • 1...f3
        • 2.Qd6#
      • 1...Ke6!
  • Keys
    • 1.Sc6+!
      • 1...Ke6
        • 2.Qe7#

This anticipates 227692(1926), 39648(1933), 171371(1995)

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::QAB1(D)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(B);CHECK
    • Vars
      • K(b);P-FLIGHT::QAR1(D)
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