MESON Chess Problem Database

Problem Display
PID: 71988 (5Q2/7p/4P3/3p2R1/1P2p3/4k1NK/BP1p1N2/3R4 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Comm., Rybinsk-7 dnej.-10 JT, 2008

5Q2/7p/4P3/3p2R1/1P2p3/4k1NK/BP1p1N2/3R4

#2

10 + 5

145 StrateGems 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qc5#
  • Tries
    • 1.Sg4+?
      • 1...Kd4
        • 2.Rxd2#
        • 2.Rxd5#
      • 1...Kd3!
    • 1.Sf1+?
      • 1...Kd4
        • 2.Rxd2#
        • 2.Rxd5#
        • 2.Qc5#
        • 2.Qg7#
        • 2.Qf6#
        • 2.Qh8#
      • 1...Ke2!
    • 1.Qc5+?
      • 1...Kf3
        • 2.Rf5#
      • 1...Kf4
        • 2.Rf5#
      • 1...d4!
    • 1.Qf4+?
      • 1...Kd4
        • 2.Se2#
        • 2.Sf5#
        • 2.Rxd2#
        • 2.Rxd5#
        • 2.Qxd2#
      • 1...Kxf4!
  • Keys
    • 1.Qh6!
      • 1...Kxf2
        • 2.Rf5#
      • 1...Kf3
        • 2.Rf5#
      • 1...Kd4
        • 2.Rxd5#
      • 1...Kf4
        • 2.Rf5#
      • 1...d4
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);P_SPINP(a),S_FLIGHT::QAB1(J)
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(a)
    • Try
      • S(E);CHECK
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(J);CHECK
      • Vars
        • K(b);P-FLIGHT::R(H)
        • K(b);S_FLIGHT::R1(H)
      • Refutation
        • P(d);P_SPINP(d)
    • Try
      • Q(J);CHECK
      • Refutation
        • K(b);S_FLIGHT,XQ(J)
  • Actual
    • Q(J);
    • Vars
      • K(b);S_FLIGHT,XS(D)::R(H)
      • K(b);P-FLIGHT::R(H)
      • K(b);P_SPINP(a),S_FLIGHT::R1(H),XP(d)
      • K(b);S_FLIGHT::QAB(J)+R(H),DCHECK
      • P(d);SBLOCK::QAB(J)+R(H)
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