MESON Chess Problem Database

Problem Display
PID: 195104 (1b6/3p4/b3Np2/1BBkN2R/2p1p3/2p5/3P2Q1/K2R1nr1 w - - 0 1)

Loedel, Juan Eduardo

Brisbane Courier, 1918

1b6/3p4/b3Np2/1BBkN2R/2p1p3/2p5/3P2Q1/K2R1nr1

#2

9 + 10

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bb7
      • 2.Bxc4#
    • 1...Bc8
      • 2.Bxc4#
  • Tries
    • 1.Qxe4+?
      • 1...Kxe6
        • 2.Bxd7#
      • 1...Kxe4!
    • 1.dxc3+?
      • 1...Kxe6
        • 2.Bxd7#
      • 1...Sd2!
  • Keys
    • 1.d4!
      • threat
        • 2.Sf4#
      • 1...Kxe6
        • 2.d5#
      • 1...dxe6
        • 2.Bc6#
      • 1...cxd4 ep
        • 2.Qa2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(g);N_GUARD::B(E),XP(d)
  • Tries
    • Try
      • Q(D);CHECK,XP(e)
      • Vars
        • K(f);S_FLIGHT,XS(I)::B(E),XP(i)
      • Refutation
        • K(f);S_FLIGHT,XQ(D)
    • Try
      • P(C);CHECK,XP(c)
      • Vars
        • K(f);N_SPINP(e),S_FLIGHT,XS(I)::B(E),XP(i)
      • Refutation
        • S(a);P_PINR(B),P_SPINS(a)
  • Actual
    • P(C);
    • Threat
      • S(I)
    • Vars
      • K(f);N_SPINP(e),OGATE,S_FLIGHT,XS(I)::P(C)
      • P(i);N_GUARD,SBLOCK,XS(I)::B(E)
      • P(d);EP,N_SPINP(e),OGATEB,P_SPINP(d),XP(C)::QAB(D)
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