MESON Chess Problem Database

Problem Display
PID: 227462 (4K3/8/8/N2k4/N7/7Q/4P3/8 w - - 0 1)

Roscher, Willy

Frankische Tagespost, 1926

4K3/8/8/N2k4/N7/7Q/4P3/8

#2

5 + 1

6490 yacpdb 2020
5454 Near Snap 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Qe6+?
      • 1...Kd4
        • 2.Sb3#
        • 2.Sc6#
      • 1...Kxe6!
  • Keys
    • 1.Sc6!
      • 1...Kc4
        • 2.Qd3#
      • 1...Ke4
        • 2.Qf3#
      • 1...Kxc6
        • 2.Qd7#
      • 1...Kd6
        • 2.Qd7#

Anticipated by 222935(1886)

This anticipates 204598(2012)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT,XS(D)::QAB1(B)
      • K(a);P-FLIGHT::QAR1(B)
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