MESON Chess Problem Database

Problem Display
PID: 173595 (8/2p5/2N5/3Q4/5p2/4k3/4p3/4K3 w - - 0 1)

Boros, Sandor

Magyar Sakkvilag, 1926

8/2p5/2N5/3Q4/5p2/4k3/4p3/4K3

#2

3 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...f3
      • 2.Qd4#
  • Tries
    • 1.Qc4?
      • threat
        • 2.Qxe2#
      • 1...f3
        • 2.Qd4#
      • 1...Kf3!
  • Keys
    • 1.Sb4!
      • threat
        • 2.Sc2#
        • 2.Qd3#
      • 1...f3
        • 2.Qe5#

This is a version of 173681

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::QAB1(B)
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAR1(B),XP(a)
      • Vars
        • P(c);SBLOCK::QAB1(B)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(C);
    • Threat
      • DUALS(2)
    • Vars
      • P(c);SBLOCK::QAR2(B)
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