MESON Chess Problem Database

Problem Display
PID: 181866 (8/1p6/1Pp1K1p1/4N3/3pkp2/Q1p5/2P2P2/8 w - - 0 1)

Kutfalvy, Antal

Magyar Sakklap, 1905

8/1p6/1Pp1K1p1/4N3/3pkp2/Q1p5/2P2P2/8

#2

6 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Qb4#
      • 2.Qa4#
  • Tries
    • 1.Qf8?
      • 1...d3
        • 2.Qb4#
      • 1...f3
        • 2.Qxf3#
      • 1...g5
        • 2.Qf5#
      • 1...c5!
    • 1.Qa1?
      • threat
        • 2.Qe1#
      • 1...d3
        • 2.Qa4#
      • 1...f3!
    • 1.Qxc3?
      • threat
        • 2.Qe1#
        • 2.Qd3#
        • 2.Qf3#
        • 2.f3#
      • 1...f3
        • 2.Qxf3#
      • 1...d3
        • 2.Qb4#
        • 2.Qxd3#
        • 2.Qc4#
        • 2.cxd3#
      • 1...dxc3!
  • Keys
    • 1.Qe7!
      • 1...d3
        • 2.Qb4#
      • 1...f3
        • 2.Qh4#
      • 1...c5
        • 2.Qxb7#
      • 1...g5
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Vars
        • P(b);OGATEB::QAR(C)
        • P(d);OGATE::QAB1(C),XP(d)
        • P(f);N_GUARD::QAB1(C)
      • Refutation
        • P(e);
    • Try
      • Q(C);
      • Threat
        • QAR(C)
      • Vars
        • P(b);OGATEB::QAR(C)
      • Refutation
        • P(d);
    • Try
      • Q(C);XP(a)
      • Threat
        • DUALS(4)
      • Vars
        • P(d);::QAB1(C),XP(d)
      • Refutation
        • P(b);XQ(C)
  • Actual
    • Q(C);
    • Vars
      • P(b);OGATEB::QAR(C)
      • P(d);OGATEB::QAR(C)
      • P(e);OGATEB::QAB(C),XP(g)
      • P(f);OGATEB::QAB(C)
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