MESON Chess Problem Database

Problem Display
PID: 193606 (8/p2p2q1/3PpRn1/2pk4/Q3Np2/3p1N2/3P4/3K4 w - - 0 1)

Feldbrand, Mark

Pesti Naplo, 1915

8/p2p2q1/3PpRn1/2pk4/Q3Np2/3p1N2/3P4/3K4

#2

7 + 9

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Sc3#
  • Tries
    • 1.Qb3+?
      • 1...Kxe4
        • 2.Qb7#
      • 1...c4
        • 2.Qb7#
      • 1...Kc6!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Sc3#
      • 1...Kxe4
        • 2.Qb7#
      • 1...Qxf6
        • 2.Sxf6#
      • 1...c4
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(e);::S(E)
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(d);S_FLIGHT,XS(E)::QAB(D)
        • P(c);P_SPINP(c),SBLOCK::QAB(D)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • Q(D);
    • Threat
      • S(E)
    • Vars
      • K(d);S_FLIGHT,XS(E)::QAB(D)
      • Q(i);XR(G)::S(E),XQ(i)
      • P(c);SBLOCK::QAB(D)
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