MESON Chess Problem Database

Problem Display
PID: 37895 (8/n1BpNp2/3rb2r/2k3bR/P4R2/1pPp4/1N1Q2n1/2K5 w - - 0 1)

Kiss, Janos

3rd Prize, Arbejder-Skak, 1948

8/n1BpNp2/3rb2r/2k3bR/P4R2/1pPp4/1N1Q2n1/2K5

#2

9 + 11

3105 FIDE Album (1945-1955) 1964

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.cxd4#
    • 1...Rd5
      • 2.Rc4#
    • 1...Ra6
      • 2.Sxd3#
    • 1...Rb6
      • 2.Sxd3#
    • 1...Rc6
      • 2.Sxd3#
    • 1...Bh3
      • 2.Rc4#
    • 1...Bc4
      • 2.Rxc4#
    • 1...Bg4
      • 2.Rc4#
    • 1...Bd5
      • 2.Sxd3#
    • 1...Bf5
      • 2.Rc4#
  • Tries
    • 1.Rxg5+?
      • 1...Rd5
        • 2.Sxd3#
        • 2.Rc4#
      • 1...Bd5
        • 2.Sxd3#
        • 2.Rc4#
      • 1...Bf5
        • 2.Rc4#
      • 1...f5!
    • 1.Qe3+?
      • 1...Rd4
        • 2.Qxd4#
      • 1...Sxe3!
    • 1.Qf2+?
      • 1...Rd4
        • 2.Qxd4#
      • 1...Se3!
  • Keys
    • 1.Qxd3!
      • threat
        • 2.Qxd6#
      • 1...Rxd3
        • 2.Sxd3#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Rd5
        • 2.Qc4#
      • 1...Ra6
        • 2.Qd4#
      • 1...Rb6
        • 2.Qd4#
      • 1...Rc6
        • 2.Qd4#
      • 1...Bh3
        • 2.Qc4#
      • 1...Bc4
        • 2.Qxc4#
      • 1...Bg4
        • 2.Qc4#
      • 1...Bd5
        • 2.Qd4#
      • 1...Bf5
        • 2.Qc4#
      • 1...Sb5
        • 2.Qxb5#
      • 1...Sc8
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 10
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(f);OGATE::P(D),XR(f)
    • R(f);N_SPINB(e),S_CUTB(g)::R1(F)
    • R(f);N_GUARD::S(B),XP(c)
    • B(g);N_GUARD::R1(F)
    • B(g);N_GUARD::R1(F),XB(g)
    • B(g);N_SPINB(e),S_CUTR(f)::S(B),XP(c)
    • B(g);N_GUARD,N_SPINB(e)::R1(F)
  • Tries
    • Try
      • R(G);CHECK,XB(e)
      • Vars
        • B(g);P_SPINB(g)::R1(F)
      • Refutation
        • P(k);P_SPINP(k)
    • Try
      • Q(C);CHECK
      • Vars
        • R(f);N_GUARD,P_SPINR(f)::QAB1(C),XR(f)
      • Refutation
        • S(a);XQ(C)
    • Try
      • Q(C);CHECK,P_SPINR(F)
      • Vars
        • R(f);N_GUARD,P_SPINR(f)::QAB1(C),XR(f)
      • Refutation
        • S(a);N_PINR(F),P_SPINS(a)
  • Actual
    • Q(C);P_SPINR(F),XP(c)
    • Threat
      • QAB1(C),XR(f)
    • Vars
      • R(f);XQ(C)::S(B),XR(f)
      • R(f);N_GUARD::QAB1(C),XR(f)
      • R(f);N_SPINB(e),S_CUTB(g)::QAR1(C)
      • R(f);N_GUARD::QAB1(C)
      • B(g);N_GUARD::QAR1(C)
      • B(g);N_GUARD::QAR1(C),XB(g)
      • B(g);N_SPINB(e),S_CUTR(f)::QAB1(C)
      • B(g);N_GUARD,N_SPINB(e)::QAR1(C)
      • S(i);N_GUARD::QAR1(C),XS(i)
      • S(i);N_GUARD::QAR1(C)
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