MESON Chess Problem Database

Problem Display
PID: 152673 (2K5/8/1p5R/k2p3R/1N1Q4/8/8/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Sp. Comm., Olimpiya dunyasi, 2008-2009

2K5/8/1p5R/k2p3R/1N1Q4/8/8/8

#2

5 + 3

145 StrateGems 2011

SOLUTION

  • SOUND
  • Sets
    • 1...b5
      • 2.Ra6#
  • Tries
    • 1.Sa2?
      • 1...Ka6
        • 2.Qxb6#
        • 2.Qa4#
      • 1...b5
        • 2.Qa7#
        • 2.Qb4#
      • 1...Kb5!
    • 1.Sc2?
      • 1...Ka6
        • 2.Qxb6#
        • 2.Qa4#
      • 1...b5
        • 2.Qa1#
        • 2.Qa7#
        • 2.Qb4#
      • 1...Kb5!
    • 1.Sd3?
      • 1...Ka6
        • 2.Qxb6#
        • 2.Qa4#
      • 1...b5
        • 2.Qa1#
        • 2.Qa7#
        • 2.Qb4#
      • 1...Kb5!
    • 1.Sa6?
      • 1...Kxa6
        • 2.Qxb6#
        • 2.Qa4#
      • 1...b5
        • 2.Qa1#
        • 2.Qb4#
      • 1...Kb5!
    • 1.Sc6+?
      • 1...Ka6
        • 2.Qa4#
      • 1...Kb5!
    • 1.Rxd5+?
      • 1...b5
        • 2.Ra6#
      • 1...Ka4!
    • 1.Qc4?
      • threat
        • 2.Sc6#
      • 1...b5
        • 2.Ra6#
      • 1...Ka4!
  • Keys
    • 1.Sxd5!
      • 1...Kb5
        • 2.Sc7#
      • 1...Ka6
        • 2.Qxb6#
        • 2.Qa4#
      • 1...b5
        • 2.Qa1#
        • 2.Qa7#
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(c);N_SPINP(b),OGATE,SBLOCK::R1(D)
  • Tries
    • Try
      • S(A);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(A);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(A);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(A);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(A);CHECK
      • Vars
        • K(a);N_SPINP(b),P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(C);CHECK,XP(b)
      • Vars
        • P(c);OGATE,P_SPINP(c)::R1(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • S(A)
      • Vars
        • P(c);N_SPINP(b),OGATE::R1(D)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
  • Actual
    • S(A);XP(b)
    • Vars
      • K(a);P-FLIGHT::R(C)+S(A),DCHECK
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