MESON Chess Problem Database

Problem Display
PID: 114242 (5n2/7B/KNR1p3/4k1B1/1NQn1r2/1p2br2/8/4Rb2 w - - 0 1)

Labai, Zoltan

Taraba, Jozef

Sachova skladba, 2000

5n2/7B/KNR1p3/4k1B1/1NQn1r2/1p2br2/8/4Rb2

#2

8 + 9

14580 Chess Compositions (Taraba) 2009
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bg2
      • 2.Sd3#
      • 2.Qc5#
    • 1...Bd3
      • 2.Sxd3#
    • 1...Bh3
      • 2.Sd3#
      • 2.Qc5#
    • 1...Bxc4+
      • 2.Sxc4#
    • 1...Se2
      • 2.Sd3#
    • 1...Sb5
      • 2.Qc5#
    • 1...Sd7
      • 2.Sxd7#
  • Tries
    • 1.Rxe3+?
      • 1...Re4
        • 2.Rxe4#
      • 1...Rxe3!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Sc4#
      • 1...Bxd3+
        • 2.Sxd3#
      • 1...Sxc6
        • 2.Sxc6#
      • 1...Sc2
        • 2.Rc5#
      • 1...Se2
        • 2.Qd6#
      • 1...Sb5
        • 2.Rc5#
      • 1...Sf5
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD::S(B),XB(a)
    • B(a);CHECK,XQ(C)::S(F),XB(a)
    • S(e);N_PINQ(C),N_SPINB(c),S_CUTB(a)::S(B)
    • S(e);N_PINQ(C)::QAR2(C)
    • S(i);N_GUARD::S(F),XS(i)
  • Tries
    • Try
      • R(A);CHECK,XB(c)
      • Vars
        • R(f);N_GUARD,P_SPINR(f)::R1(A),XR(f)
      • Refutation
        • R(d);XR(A)
  • Actual
    • Q(C);
    • Threat
      • S(F)
    • Vars
      • B(a);CHECK,XQ(C)::S(B),XB(a)
      • S(e);XR(G)::S(B),XS(e)
      • S(e);::R(G)
      • S(e);N_PINQ(C),N_SPINB(c)::QAB1(C)
      • S(e);N_PINQ(C)::R(G)
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