MESON Chess Problem Database

Problem Display
PID: 157898 (2B5/pnbp4/nk6/3pR3/3Np3/2Q5/2R1K3/8 w - - 0 1)

Abdullayev, Elmar

e4-e5, 2014

2B5/pnbp4/nk6/3pR3/3Np3/2Q5/2R1K3/8

#2

6 + 8

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Qb2+?
      • 1...Ka5
        • 2.Qb5#
      • 1...Sb4!
    • 1.Qb3+?
      • 1...Ka5
        • 2.Ra2#
        • 2.Qb5#
      • 1...Sb4!
    • 1.Qd3?
      • threat
        • 2.Qb5#
      • 1...Ka5
        • 2.Qb5#
      • 1...Sd6
        • 2.Qxa6#
      • 1...exd3+!
    • 1.Qc6+?
      • 1...Ka5
        • 2.Qb5#
      • 1...dxc6!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qb5#
      • 1...Ka5
        • 2.Qb5#
      • 1...dxc4
        • 2.Rb5#
      • 1...Sd6
        • 2.Qxa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);P_SPINP(b),S_FLIGHT::QAR1(C)
      • Refutation
        • S(c);P_SPINS(c)
    • Try
      • Q(C);CHECK
      • Refutation
        • S(c);P_SPINS(c)
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • K(d);P_SPINP(b),S_FLIGHT::QAR1(C)
        • S(f);::QAR1(C),XS(c)
      • Refutation
        • P(a);CHECK,XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);P_SPINP(b),S_FLIGHT::QAR1(C)
      • Refutation
        • P(h);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • K(d);P_SPINP(b),S_FLIGHT::QAR1(C)
      • P(b);OGATE,XQ(C)::R1(E)
      • S(f);::QAR1(C),XS(c)
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