MESON Chess Problem Database

Problem Display
PID: 199809 (3R4/1p6/8/1Bp5/3p3r/3NPP2/2PB2R1/1Kbk4 w - - 0 1)

Paslack, Rainer

Die Schwalbe, 2019

3R4/1p6/8/1Bp5/3p3r/3NPP2/2PB2R1/1Kbk4

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Sxb2#
  • Tries
    • 1.Ba5?
      • threat
        • 2.Sf2#
      • 1...Bxe3
        • 2.Sb2#
      • 1...Bd2
        • 2.Rxd2#
      • 1...c4!
    • 1.Ba4?
      • threat
        • 2.c3#
        • 2.c4#
      • 1...dxe3
        • 2.c4#
      • 1...c4
        • 2.c3#
      • 1...b5!
    • 1.c3?
      • threat
        • 2.Ba4#
      • 1...dxc3
        • 2.Sf2#
      • 1...dxe3!
  • Keys
    • 1.c4!
      • threat
        • 2.Ba4#
      • 1...dxc4 ep
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::S(E),XB(a)
  • Tries
    • Try
      • B(C);
      • Threat
        • S(E)
      • Vars
        • B(a);N_GUARD,XP(F)::S(E)
        • B(a);N_GUARD::R1(D),XB(a)
      • Refutation
        • P(e);
    • Try
      • B(H);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);XP(F)::B(H)+P(B)
        • P(e);::B(H)+P(B)
      • Refutation
        • P(f);
    • Try
      • P(B);
      • Threat
        • B(H)
      • Vars
        • P(c);XP(B)::S(E)
      • Refutation
        • P(c);XP(F)
  • Actual
    • P(B);
    • Threat
      • B(H)
    • Vars
      • P(c);EP,XP(B)::S(E)
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