MESON Chess Problem Database

Problem Display
PID: 133926 (1r2n3/4Q3/8/2PB3p/2Pk1P2/N1p5/1n5r/K1N5 w - - 0 1)

Taraba, Jozef

Schach-Echo, 1974

1r2n3/4Q3/8/2PB3p/2Pk1P2/N1p5/1n5r/K1N5

#2

8 + 7

14580 Chess Compositions (Taraba) 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Sc2#
    • 1...Rc2
      • 2.Sxc2#
    • 1...Rh3
      • 2.Sc2#
    • 1...Rh4
      • 2.Sc2#
    • 1...Rb5
      • 2.Sxb5#
    • 1...Rc8
      • 2.Sb5#
    • 1...Rd8
      • 2.Sb5#
  • Tries
    • 1.Sb3+?
      • 1...Kd3
        • 2.Qe4#
      • 1...Rxb3!
    • 1.Bb7?
      • threat
        • 2.Qe5#
      • 1...Sxc4
        • 2.Sb5#
      • 1...Sd3
        • 2.Sb3#
      • 1...Re2!
  • Keys
    • 1.Bg2!
      • threat
        • 2.Qe5#
      • 1...Sxc4
        • 2.Sc2#
      • 1...Sd3
        • 2.Se2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • R(b);N_GUARD,P_PINS(B)::S(C)
    • R(b);N_GUARD::S(C),XR(b)
    • R(b);N_GUARD::S(C)
    • R(f);N_GUARD::S(C),XR(f)
    • R(f);N_GUARD::S(C)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(d);P-FLIGHT::QAB1(H)
      • Refutation
        • R(f);XS(B)
    • Try
      • B(G);
      • Threat
        • QAB1(H)
      • Vars
        • S(a);SBLOCK,XP(D)::S(C)
        • S(a);SBLOCK::S(B)
      • Refutation
        • R(b);
  • Actual
    • B(G);
    • Threat
      • QAB1(H)
    • Vars
      • S(a);SBLOCK,XP(D)::S(C)
      • S(a);SBLOCK::S(B)
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