MESON Chess Problem Database

Problem Display
PID: 120869 (8/7b/1Q6/5pk1/R7/8/5K2/3B4 w - - 0 1)

Kononov, Nikita Georgievich

3rd Prize, Ukran Radio versenye, 1946

8/7b/1Q6/5pk1/R7/8/5K2/3B4

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Ra6?
      • threat
        • 2.Qh6#
      • 1...Kf4
        • 2.Qe3#
      • 1...Kh4
        • 2.Qh6#
      • 1...f4
        • 2.Qf6#
      • 1...Bg6!
  • Keys
    • 1.Rh4!
      • threat
        • 2.Qh6#
      • 1...Kxh4
        • 2.Qh6#
      • 1...f4
        • 2.Rh5#
      • 1...Bg6
        • 2.Qd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Threat
        • QAB1(D)
      • Vars
        • K(b);S_FLIGHT::QAB1(D)
        • K(b);S_FLIGHT::QAR2(D)
        • P(a);::QAB1(D)
      • Refutation
        • B(c);
  • Actual
    • R(C);
    • Threat
      • QAB1(D)
    • Vars
      • K(b);S_FLIGHT,XR(C)::QAR2(D)
      • P(a);SBLOCK::R1(C)
      • B(c);SBLOCK::QAB(D)
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