MESON Chess Problem Database

Problem Display
PID: 189596 (2N3B1/Q1nrp3/2b1p1R1/1p2k3/6P1/3PN1K1/8/8 w - - 0 1)

Neukomm, Gyula (Julius) R

Tidskrift for Schack, 1910

2N3B1/Q1nrp3/2b1p1R1/1p2k3/6P1/3PN1K1/8/8

#2

8 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.Qa1#
    • 1...Sd5
      • 2.Rxe6#
    • 1...Sa6
      • 2.Rxe6#
    • 1...Sa8
      • 2.Rxe6#
    • 1...Se8
      • 2.Rxe6#
  • Tries
    • 1.Sc4+?
      • 1...Kd5
        • 2.Rg5#
      • 1...bxc4!
    • 1.Qc5+?
      • 1...Bd5
        • 2.Qc3#
      • 1...Sd5
        • 2.Rxe6#
      • 1...Rd5!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Rg5#
      • 1...Kxd5
        • 2.Rg5#
      • 1...Rxd5
        • 2.Qe3#
      • 1...Bxd5
        • 2.Qa1#
      • 1...Sxd5
        • 2.Rxe6#
      • 1...exd5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • B(c);S_CUTR(f)::QAB(F)
    • S(e);N_GUARD::R1(E),XP(d)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(b);P-FLIGHT,P_SPINP(d)::R(E)
      • Refutation
        • P(a);XS(B)
    • Try
      • Q(F);CHECK
      • Vars
        • B(c);P_SPINB(c),S_CUTR(f)::QAB(F)
        • S(e);P_SPINS(e)::R1(E),XP(d)
      • Refutation
        • R(f);P_SPINR(f)
  • Actual
    • S(B);
    • Threat
      • R(E)
    • Vars
      • K(b);P-FLIGHT,P_SPINP(d),XS(B)::R(E)
      • R(f);SBLOCK,XS(B)::QAR2(F)
      • B(c);SBLOCK,XS(B)::QAB(F)
      • S(e);N_GUARD,SBLOCK,XS(B)::R1(E),XP(d)
      • P(d);XS(B)::QAR2(F)
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