MESON Chess Problem Database

Problem Display
PID: 42476 (1q6/3pQ3/2P2P2/2P4r/1P1kNPR1/2N1p3/2K1B3/2n2r2 w - - 0 1)

Amirov, Talip Khasanovich

2nd HM., British Chess Magazine, 1975

1q6/3pQ3/2P2P2/2P4r/1P1kNPR1/2N1p3/2K1B3/2n2r2

#2

11 + 7

3771 FIDE Album (1974-1976) 1980

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc5
      • 2.Qxc5#
  • Tries
    • 1.Sf2?
      • threat
        • 2.Qe4#
      • 1...Qxf4
        • 2.Rxf4#
      • 1...Qxb4
        • 2.f5#
      • 1...Qe5
        • 2.fxe5#
      • 1...Qe8
        • 2.f5#
      • 1...Re5
        • 2.fxe5#
      • 1...d5!
    • 1.Sd6?
      • threat
        • 2.Qe4#
      • 1...Rxf4
        • 2.Rxf4#
      • 1...Qe8
        • 2.Sdb5#
      • 1...Re5
        • 2.Qxe5#
      • 1...Qxb4!
    • 1.Qd6+?
      • 1...Rd5
        • 2.Qxd5#
      • 1...Qxd6!
    • 1.Qxd7+?
      • 1...Rd5
        • 2.Qxd5#
      • 1...Qd6!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Qe4#
      • 1...Qxf4
        • 2.Qd6#
      • 1...Qxb4
        • 2.Qd6#
        • 2.Qe5#
      • 1...Rxf4
        • 2.Sf3#
      • 1...Qe5
        • 2.Qxe5#
      • 1...Qe8
        • 2.Qd6#
      • 1...d5
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • R(e);OGATE,P_PINS(C),XP(H)::QAB1(K),XR(e)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAR1(K)
      • Vars
        • Q(g);OGATE,P_SPINQ(g),XP(F)::R(G),XQ(g)
        • Q(g);N_GUARD,XP(D)::R(G)+P(F)
        • Q(g);OGATE::R(G)+P(F),XQ(g)
        • Q(g);N_GUARD::R(G)+P(F)
        • R(e);OGATE::R(G)+P(F),XR(e)
      • Refutation
        • P(f);
    • Try
      • S(E);
      • Threat
        • QAR1(K)
      • Vars
        • R(b);OGATE,P_SPINR(b),XP(F)::R(G),XR(b)
        • Q(g);N_GUARD::S(E)
        • R(e);N_GUARD::QAB1(K),XR(e)
      • Refutation
        • Q(g);XP(D)
    • Try
      • Q(K);CHECK
      • Vars
        • R(e);N_GUARD,P_SPINR(e)::QAR1(K),XR(e)
      • Refutation
        • Q(g);XQ(K)
    • Try
      • Q(K);CHECK,XP(f)
      • Vars
        • R(e);N_GUARD,P_SPINR(e)::QAR1(K),XR(e)
      • Refutation
        • Q(g);P_SPINQ(g)
  • Actual
    • S(E);
    • Threat
      • QAR1(K)
    • Vars
      • Q(g);N_GUARD,P_SPINQ(g),XP(F)::QAR2(K)
      • R(b);N_GUARD,P_SPINR(b),XP(F)::S(E)
      • Q(g);N_GUARD::QAB1(K),XQ(g)
      • Q(g);N_GUARD::QAR2(K)
      • P(f);N_GUARD::S(E)
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