MESON Chess Problem Database

Problem Display
PID: 133001 (3R1N2/1Qp2p2/5RBn/2r1k1PK/8/7p/b3r3/2b5 w - - 0 1)

Amirov, Talip Khasanovich

The Field, 1959

(First published on Thu Dec 17 1959)

3R1N2/1Qp2p2/5RBn/2r1k1PK/8/7p/b3r3/2b5

#2

7 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rb2
      • 2.Qe4#
    • 1...Rec2
      • 2.Qe4#
    • 1...Rd2
      • 2.Qe4#
    • 1...Rf2
      • 2.Qe4#
    • 1...Rg2
      • 2.Qe4#
    • 1...Rh2
      • 2.Qe4#
    • 1...Re4
      • 2.Qxe4#
    • 1...Rc4
      • 2.Rd5#
      • 2.Qd5#
    • 1...Ra5
      • 2.Qxc7#
    • 1...Rb5
      • 2.Qxc7#
    • 1...Be3
      • 2.Qe4#
    • 1...Sg4
      • 2.Rf5#
    • 1...Sf5
      • 2.Rxf5#
    • 1...Sg8
      • 2.Rf5#
    • 1...c6
      • 2.Qc7#
      • 2.Qb8#
    • 1...fxg6+
      • 2.Sxg6#
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qd4#
      • 1...fxg6+
        • 2.Sxg6#
      • 1...Rd5
        • 2.Re8#
      • 1...Rd2
        • 2.Qe4#
        • 2.Qf4#
      • 1...Re4
        • 2.Qxe4#
      • 1...Rc4
        • 2.Qe7#
      • 1...Bb2
        • 2.Qf4#
      • 1...Be3
        • 2.Qe4#
      • 1...Bc4
        • 2.Qc3#
      • 1...Bd5
        • 2.Sd7#
      • 1...Sf5
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 10
  • Sets
    • R(c);N_GUARD::QAR1(E)
    • R(c);N_GUARD::QAR1(E),XR(c)
    • R(e);N_GUARD::QAB(E),XP(h)
    • B(a);S_CUTR(c)::QAR1(E)
    • S(g);N_GUARD::R1(C)
    • S(g);N_GUARD::R1(C),XS(g)
    • P(i);CHECK,XB(D)::S(G),XP(i)
  • Actual
    • Q(E);
    • Threat
      • QAB1(E)
    • Vars
      • P(i);CHECK,XB(D)::S(G),XP(i)
      • R(e);SBLOCK,S_CUTB(b)::R(F)
      • R(c);N_GUARD::QAR1(E),XR(c)
      • R(e);OGATE::QAR2(E)
      • B(a);N_GUARD::QAB1(E)
      • B(a);S_CUTR(c)::QAR1(E)
      • B(b);S_CUTR(e)::QAB(E)
      • B(b);SBLOCK::S(G)
      • S(g);N_GUARD::R1(C),XS(g)
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