MESON Chess Problem Database

Problem Display
PID: 231266 (6K1/5Q2/3p1P2/1P2k1p1/2p2pP1/2P5/4P3/8 w - - 0 1)

Loveiko, Franz Kazimirovic

2nd HM., Zadachi i Etyudi, 1927

6K1/5Q2/3p1P2/1P2k1p1/2p2pP1/2P5/4P3/8

#2

7 + 5

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qe6#
    • 1...d5
      • 2.Qe7#
  • Tries
    • 1.Kg7?
      • 1...Ke4
        • 2.Qe6#
      • 1...d5
        • 2.Qe7#
      • 1...f3!
    • 1.Kh7?
      • 1...Ke4
        • 2.Qe6#
      • 1...d5
        • 2.Qe7#
      • 1...f3!
    • 1.Kf8?
      • 1...Ke4
        • 2.Qe6#
      • 1...d5
        • 2.Qe7#
      • 1...f3!
    • 1.Kh8?
      • 1...Ke4
        • 2.Qe6#
      • 1...d5
        • 2.Qe7#
      • 1...f3!
    • 1.Qd5+?
      • 1...Kxf6
        • 2.Qxd6#
      • 1...Kxd5!
    • 1.Qg6?
      • threat
        • 2.Qf5#
      • 1...Kd5
        • 2.Qf5#
      • 1...Ke6
        • 2.Qf5#
      • 1...d5!
    • 1.Qh7?
      • threat
        • 2.Qf5#
      • 1...Kd5
        • 2.Qf5#
      • 1...Ke6
        • 2.Qf5#
      • 1...d5
        • 2.Qe7#
      • 1...Kxf6!
    • 1.b6?
      • 1...Ke4
        • 2.Qe6#
      • 1...d5
        • 2.Qe7#
      • 1...f3!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qf5#
      • 1...Ke4
        • 2.Qe6#
      • 1...Kd5
        • 2.Qf5#
      • 1...Kxf6
        • 2.Qxd6#
      • 1...d5
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAR2(F)
    • P(e);SBLOCK::QAR2(F)
  • Tries
    • Try
      • K(G);P-FLIGHT
      • Vars
        • K(c);P-FLIGHT::QAR2(F)
        • P(e);SBLOCK::QAR2(F)
      • Refutation
        • P(b);
    • Try
      • K(G);S_FLIGHT
      • Vars
        • K(c);P-FLIGHT::QAR2(F)
        • P(e);SBLOCK::QAR2(F)
      • Refutation
        • P(b);
    • Try
      • K(G);P-FLIGHT
      • Vars
        • K(c);P-FLIGHT::QAR2(F)
        • P(e);SBLOCK::QAR2(F)
      • Refutation
        • P(b);
    • Try
      • K(G);P-FLIGHT
      • Vars
        • K(c);P-FLIGHT::QAR2(F)
        • P(e);SBLOCK::QAR2(F)
      • Refutation
        • P(b);
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);S_FLIGHT,XP(E)::QAR2(F),XP(e)
      • Refutation
        • K(c);P-FLIGHT,XQ(F)
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(c);P-FLIGHT::QAR2(F)
        • K(c);P-FLIGHT::QAB1(F)
      • Refutation
        • P(e);
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(c);P-FLIGHT::QAR2(F)
        • K(c);P-FLIGHT::QAB1(F)
        • P(e);SBLOCK::QAR2(F)
      • Refutation
        • K(c);S_FLIGHT,XP(E)
    • Try
      • P(D);
      • Vars
        • K(c);P-FLIGHT::QAR2(F)
        • P(e);SBLOCK::QAR2(F)
      • Refutation
        • P(b);
  • Actual
    • Q(F);
    • Threat
      • QAR1(F)
    • Vars
      • K(c);P-FLIGHT::QAR2(F)
      • K(c);P-FLIGHT,P_SPINP(e)::QAR2(F)
      • K(c);S_FLIGHT,XP(E)::QAR2(F),XP(e)
      • P(e);SBLOCK::QAR2(F)
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