MESON Chess Problem Database

Problem Display
PID: 195230 (4b3/3pQ3/P1P5/3k4/8/3PB3/1P3K2/8 w - - 0 1)

Simay-Molnar, Aladar

Magyar Sakkvilag, 1918

4b3/3pQ3/P1P5/3k4/8/3PB3/1P3K2/8

#2

7 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc6
      • 2.Qc5#
    • 1...d6
      • 2.Qe4#
  • Tries
    • 1.Bf4?
      • threat
        • 2.Qd6#
      • 1...Kd4
        • 2.Qd6#
      • 1...d6
        • 2.Qxd6#
      • 1...Kxc6!
    • 1.Bc5?
      • threat
        • 2.Qd6#
      • 1...d6
        • 2.Qxd6#
      • 1...Kxc6!
    • 1.Qe5+?
      • 1...Kxc6
        • 2.Qc5#
      • 1...Kxe5!
  • Keys
    • 1.Bd4!
      • 1...Kxd4
        • 2.Qd6#
      • 1...Kxc6
        • 2.Qc5#
      • 1...dxc6
        • 2.Qe5#
      • 1...Bh5
        • 2.Qxd7#
      • 1...Bg6
        • 2.Qxd7#
      • 1...Bf7
        • 2.Qxd7#
      • 1...d6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT,XP(F)::QAR1(G)
    • P(b);SBLOCK::QAB1(G)
  • Tries
    • Try
      • B(D);
      • Threat
        • QAR1(G)
      • Vars
        • K(a);P-FLIGHT::QAR2(G)
        • P(b);::QAR1(G),XP(b)
      • Refutation
        • K(a);S_FLIGHT,XP(F)
    • Try
      • B(D);
      • Threat
        • QAR1(G)
      • Vars
        • P(b);::QAR1(G),XP(b)
      • Refutation
        • K(a);S_FLIGHT,XP(F)
    • Try
      • Q(G);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT,XP(F)::QAR1(G)
      • Refutation
        • K(a);P-FLIGHT,XQ(G)
  • Actual
    • B(D);
    • Vars
      • K(a);P-FLIGHT,XB(D)::QAR2(G)
      • K(a);S_FLIGHT,XP(F)::QAR1(G)
      • P(b);SBLOCK,XP(F)::QAR1(G)
      • B(c);N_GUARD::QAR2(G),XP(b)
      • P(b);SBLOCK::QAB1(G)
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