MESON Chess Problem Database

Problem Display
PID: 149422 (7k/6b1/K7/8/8/2B1Q3/B7/7r w - - 0 1)

Aliev, Ilham

Shahmat bestechiliyi, 2010

7k/6b1/K7/8/8/2B1Q3/B7/7r

#2

4 + 3

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qh6#
      • 2.Qh3#
    • 1...Rb1
      • 2.Qh6#
      • 2.Qh3#
    • 1...Rc1
      • 2.Qh6#
      • 2.Qh3#
    • 1...Rd1
      • 2.Qh6#
      • 2.Qh3#
    • 1...Re1
      • 2.Qh6#
      • 2.Qh3#
    • 1...Rf1
      • 2.Qh6#
      • 2.Qh3#
    • 1...Rg1
      • 2.Qh6#
      • 2.Qh3#
    • 1...Rh3
      • 2.Qxh3#
    • 1...Rh6+
      • 2.Qxh6#
    • 1...Rh7
      • 2.Qe8#
  • Tries
    • 1.Qg3?
      • threat
        • 2.Qxg7#
      • 1...Kh7
        • 2.Qxg7#
      • 1...Bxc3
        • 2.Qg8#
      • 1...Rg1
        • 2.Qh2#
        • 2.Qh4#
        • 2.Qh3#
      • 1...Rh7
        • 2.Qb8#
      • 1...Bd4
        • 2.Qg8#
      • 1...Be5
        • 2.Qg8#
      • 1...Bf6
        • 2.Qg8#
      • 1...Rh6+!
    • 1.Qe6?
      • threat
        • 2.Qg8#
      • 1...Rh6
        • 2.Qxh6#
      • 1...Kh7!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qxg7#
      • 1...Rh6+
        • 2.Qxh6#
      • 1...Kh7
        • 2.Qxg7#
      • 1...Bxc3
        • 2.Qg8#
      • 1...Rg1
        • 2.Qh4#
        • 2.Qh6#
        • 2.Qh5#
      • 1...Rh7
        • 2.Qd8#
      • 1...Bd4
        • 2.Qg8#
      • 1...Be5
        • 2.Qg8#
      • 1...Bf6
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • R(a);N_GUARD::QAR(C),XR(a)
    • R(a);CHECK,N_GUARD::QAR2(C),XR(a)
    • R(a);SBLOCK::QAR(C)
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAB1(C),XB(b)
      • Vars
        • K(c);N_SPINB(b),P-FLIGHT::QAR1(C),XB(b)
        • B(b);N_SPINB(b),OGATE,XB(B)::QAR1(C)
        • R(a);SBLOCK::QAR(C)
        • B(b);OGATE::QAR1(C)
      • Refutation
        • R(a);CHECK
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • R(a);N_GUARD,P_PINQ(C)::QAR2(C),XR(a)
      • Refutation
        • K(c);N_SPINB(b),P-FLIGHT
  • Actual
    • Q(C);
    • Threat
      • QAB1(C),XB(b)
    • Vars
      • R(a);CHECK,N_GUARD::QAR2(C),XR(a)
      • K(c);N_SPINB(b),P-FLIGHT::QAR1(C),XB(b)
      • B(b);N_SPINB(b),OGATE,XB(B)::QAR1(C)
      • R(a);SBLOCK::QAR(C)
      • B(b);OGATE::QAR1(C)
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