MESON Chess Problem Database

Problem Display
PID: 175723 (K1N5/5Bp1/1p2P2q/3k1n2/Qn1P4/1R3P2/b3P3/8 w - - 0 1)

Feigl, Maximilian

Ceske listy sachove, 1898

K1N5/5Bp1/1p2P2q/3k1n2/Qn1P4/1R3P2/b3P3/8

#2

9 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.e4#
    • 1...Sd3
      • 2.e4#
    • 1...Sa6
      • 2.e4#
    • 1...Sc6
      • 2.Rb5#
      • 2.e4#
  • Tries
    • 1.Sxb6+?
      • 1...Kd6
        • 2.Qd7#
      • 1...Kxd4!
    • 1.e4+?
      • 1...Kc4
        • 2.Qxb4#
      • 1...Kxd4!
  • Keys
    • 1.Rd3!
      • threat
        • 2.Qb5#
      • 1...Kc4
        • 2.Sxb6#
      • 1...Sxd3
        • 2.e4#
      • 1...b5
        • 2.Qxb5#
      • 1...Qc1
        • 2.e7#
      • 1...Bc4
        • 2.e4#
      • 1...Sa6
        • 2.e4#
      • 1...Sd6
        • 2.Sxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • S(b);::P(A)
  • Tries
    • Try
      • S(I);CHECK,XP(e)
      • Vars
        • K(c);P-FLIGHT::QAR1(D)
      • Refutation
        • K(c);P-FLIGHT,P_SPINS(b),XP(E)
    • Try
      • P(A);CHECK
      • Vars
        • K(c);P_SPINS(b),S_FLIGHT::QAR1(D),XS(b)
      • Refutation
        • K(c);P-FLIGHT,P_SPINS(b),XP(E)
  • Actual
    • R(B);
    • Threat
      • QAR2(D)
    • Vars
      • K(c);P_SPINS(b),S_FLIGHT::S(I),XP(e)
      • S(b);XR(B)::P(A)
      • P(e);::QAR2(D),XP(e)
      • Q(f);N_GUARD::B(G)+P(F)
      • B(a);SBLOCK::P(A)
      • S(b);::P(A)
      • S(d);SBLOCK::S(I),XP(e)
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