MESON Chess Problem Database

Problem Display
PID: 252315 (8/5p2/8/1Q5N/6kp/R7/8/5K2 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Zadachi i Etyudi, 2004

8/5p2/8/1Q5N/6kp/R7/8/5K2

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sg7?
      • threat
        • 2.Qf5#
      • 1...Kf4
        • 2.Qf5#
      • 1...f5
        • 2.Qxf5#
      • 1...h3!
    • 1.Ra4+?
      • 1...Kf3
        • 2.Qe2#
        • 2.Qd3#
        • 2.Qb3#
      • 1...Kh3!
  • Keys
    • 1.Rf3!
      • threat
        • 2.Qf5#
      • 1...Kxf3
        • 2.Qe2#
      • 1...h3
        • 2.Rf4#
      • 1...f5
        • 2.Qxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • QAB1(C)
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
        • P(c);::QAB1(C),XP(c)
      • Refutation
        • P(b);
    • Try
      • R(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(B);
    • Threat
      • QAB1(C)
    • Vars
      • K(a);OGATEB,S_FLIGHT,XR(B)::QAB1(C)
      • P(b);SBLOCK::R1(B)
      • P(c);::QAB1(C),XP(c)
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