MESON Chess Problem Database

Problem Display
PID: 161677 (3QR2n/p2p1p2/r1rp4/1B1kp3/1P3R2/3P4/1BN3nK/8 w - - 0 1)

Almammedov, Araz

Haji Mammadov-60 JT, 2014

3QR2n/p2p1p2/r1rp4/1B1kp3/1P3R2/3P4/1BN3nK/8

#2

9 + 10

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.dxc4#
    • 1...Se1
      • 2.Se3#
    • 1...Se3
      • 2.Sxe3#
    • 1...Sxf4
      • 2.Se3#
    • 1...Sh4
      • 2.Se3#
    • 1...e4
      • 2.Rf5#
      • 2.dxe4#
  • Tries
    • 1.Bxe5?
      • threat
        • 2.Rd4#
      • 1...Sxf4
        • 2.Se3#
      • 1...Rc4
        • 2.dxc4#
      • 1...dxe5!
    • 1.Qg5?
      • threat
        • 2.Rd4#
      • 1...Sxf4
        • 2.Se3#
      • 1...Rc4
        • 2.dxc4#
      • 1...f5!
    • 1.Qxd7?
      • threat
        • 2.Rxe5#
      • 1...exf4
        • 2.Re5#
        • 2.Qf5#
      • 1...Sg6
        • 2.Qxf7#
      • 1...e4
        • 2.Rf5#
        • 2.Re5#
        • 2.Qf5#
        • 2.dxe4#
      • 1...f6
        • 2.Qe6#
      • 1...Rc3!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Bc4#
      • 1...Se3
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • R(e);OGATE::P(D),XR(e)
    • S(a);N_GUARD::S(B)
    • S(a);N_GUARD::S(B),XS(a)
    • S(a);N_GUARD,XR(F)::S(B)
  • Tries
    • Try
      • B(A);XP(c)
      • Threat
        • R1(F)
      • Vars
        • S(a);N_GUARD,XR(F)::S(B)
        • R(e);OGATE::P(D),XR(e)
      • Refutation
        • P(f);P_SPINP(h),XB(A)
    • Try
      • Q(H);P_PINP(c)
      • Threat
        • R1(F)
      • Vars
        • S(a);N_GUARD,XR(F)::S(B)
        • R(e);OGATE::P(D),XR(e)
      • Refutation
        • P(i);N_SPINP(c)
    • Try
      • Q(H);P_PINP(f),XP(h)
      • Threat
        • R1(I),XP(c)
      • Vars
        • S(j);N_GUARD::QAB(H),XP(i)
        • P(i);N_GUARD::QAB1(H)
      • Refutation
        • R(e);
  • Actual
    • Q(H);P_PINR(e)
    • Threat
      • B(G)
    • Vars
      • S(a);N_GUARD::S(B),XS(a)
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