MESON Chess Problem Database

Problem Display
PID: 160022 (3R4/2p4b/p4N1b/3PQ3/qp2p2r/PP1k2n1/1P1p1P2/1K1B2B1 w - - 0 1)

Amirov, Talip Khasanovich

Die Schwalbe, 1971

3R4/2p4b/p4N1b/3PQ3/qp2p2r/PP1k2n1/1P1p1P2/1K1B2B1

#2

11 + 11

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Qc6
      • 2.dxc6#
    • 1...Se2
      • 2.Bc2#
    • 1...bxa3
      • 2.Qc3#
    • 1...c5
      • 2.dxc5 ep#
    • 1...c6
      • 2.dxc6#
  • Keys
    • 1.f4!
      • threat
        • 2.Qd4#
      • 1...bxa3
        • 2.Qc3#
      • 1...exf4 ep
        • 2.Bc2#
      • 1...e3
        • 2.Qxe3#
      • 1...Se2
        • 2.Bc2#
      • 1...Sf5
        • 2.Qxe4#
      • 1...c5
        • 2.dxc5 ep#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • Q(d);OGATE::R(K)+P(H),XQ(d)
    • S(c);SBLOCK::B(B)
    • P(e);N_GUARD,XP(F)::QAR1(I)
    • P(j);OGATE::R(K)+P(H),XP(j),EP
    • P(j);OGATE::R(K)+P(H),XP(j)
  • Actual
    • P(E);
    • Threat
      • QAR1(I)
    • Vars
      • P(e);N_GUARD,XP(F)::QAR1(I)
      • P(f);EP,XP(E)::B(B)
      • P(f);OGATE::QAR1(I),XP(f)
      • S(c);SBLOCK::B(B)
      • S(c);N_GUARD,S_CUTB(k)::QAB1(I),XP(f)
      • P(j);OGATE::R(K)+P(H),XP(j),EP
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