MESON Chess Problem Database

Problem Display
PID: 156623 (5q1r/4n1Q1/3P1rb1/7p/2B1kP2/8/2K2R2/B4N1R w - - 0 1)

Amirov, Talip Khasanovich

Probleemblad, 1978

5q1r/4n1Q1/3P1rb1/7p/2B1kP2/8/2K2R2/B4N1R

#2

9 + 7

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf4
      • 2.Qe5#
    • 1...Rf5
      • 2.Qd4#
    • 1...Rxd6
      • 2.Qe5#
    • 1...Rf7
      • 2.Qe5#
    • 1...Bf5
      • 2.Qg2#
    • 1...Sd5
      • 2.Bd3#
    • 1...Sf5
      • 2.Qb7#
  • Tries
    • 1.Qxe7+?
      • 1...Kf5
        • 2.Se3#
      • 1...Re6
        • 2.Qxe6#
      • 1...Qxe7!
    • 1.f5?
      • threat
        • 2.Rh4#
      • 1...Rxf5
        • 2.Qd4#
      • 1...Bxf5
        • 2.Qg2#
      • 1...Sxf5
        • 2.Qb7#
      • 1...Sd5
        • 2.Bd3#
      • 1...h4!
  • Keys
    • 1.Rh4!
      • threat
        • 2.f5#
      • 1...Kf5
        • 2.Sg3#
      • 1...Rxf4
        • 2.Qe5#
      • 1...Rf5
        • 2.Qd4#
      • 1...Bf5
        • 2.Qg2#
      • 1...Sd5
        • 2.Bd3#
      • 1...Sf5
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(c);OGATE,XP(G)::QAR1(I)
    • R(c);OGATE,SBLOCK::QAR1(I)
    • R(c);OGATE,XP(H)::QAR1(I)
    • R(c);OGATE::QAR1(I)
    • B(d);OGATE,SBLOCK::QAB(I)
    • S(e);SBLOCK::B(F)
    • S(e);OGATE,SBLOCK::QAB(I)
  • Tries
    • Try
      • Q(I);CHECK,XS(e)
      • Vars
        • K(a);S_FLIGHT::S(B)
        • R(c);N_GUARD,P_SPINR(c)::QAR2(I),XR(c)
      • Refutation
        • Q(f);XQ(I)
    • Try
      • P(G);
      • Threat
        • R(C)
      • Vars
        • R(c);OGATE,XP(G)::QAR1(I)
        • B(d);OGATE,XP(G)::QAB(I)
        • S(e);OGATE,XP(G)::QAB(I)
        • S(e);SBLOCK::B(F)
      • Refutation
        • P(b);
  • Actual
    • R(C);
    • Threat
      • R(C)+P(G)
    • Vars
      • K(a);S_FLIGHT::S(B)
      • R(c);OGATE,P_SPINR(c),XP(G)::QAR1(I)
      • R(c);OGATE,SBLOCK::QAR1(I)
      • B(d);OGATE,SBLOCK::QAB(I)
      • S(e);SBLOCK::B(F)
      • S(e);OGATE,SBLOCK::QAB(I)
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