MESON Chess Problem Database

Problem Display
PID: 199819 (3b4/3Qn3/3B4/r1p4K/2Pk1p2/3Pp3/1R2B3/8 w - - 0 1)

Reddmann, Hauke

Die Schwalbe, 2019

3b4/3Qn3/3B4/r1p4K/2Pk1p2/3Pp3/1R2B3/8

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Be5#
  • Tries
    • 1.Bxf4+?
      • 1...Kc3
        • 2.Be5#
      • 1...Sd5!
    • 1.Bc7+?
      • 1...Kc3
        • 2.Be5#
      • 1...Sd5!
    • 1.Bxe7+?
      • 1...Ke5
        • 2.Qd5#
      • 1...Kc3!
    • 1.Bb8+?
      • 1...Kc3
        • 2.Be5#
      • 1...Sd5!
    • 1.Qxe7?
      • threat
        • 2.Be5#
        • 2.Qe5#
      • 1...Kc3
        • 2.Be5#
        • 2.Qe5#
      • 1...Bc7
        • 2.Qf6#
        • 2.Qe5#
        • 2.Qg7#
      • 1...Bxe7!
  • Keys
    • 1.Bxc5+!
      • 1...Kc3
        • 2.Qd4#
      • 1...Kxc5
        • 2.d4#
      • 1...Ke5
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(F)
  • Tries
    • Try
      • B(F);CHECK,XP(c)
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • S(f);P_SPINS(f)
    • Try
      • B(F);CHECK
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • S(f);P_SPINS(f)
    • Try
      • B(F);CHECK,XS(f)
      • Vars
        • K(b);S_FLIGHT::QAR1(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(F);CHECK
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • S(f);P_SPINS(f)
    • Try
      • Q(G);XS(f)
      • Threat
        • DUALS(2)
      • Refutation
        • B(g);XQ(G)
  • Actual
    • B(F);CHECK,P_SPINB(F),XP(e)
    • Vars
      • K(b);S_FLIGHT::QAB1(G)
      • K(b);OGATE,S_FLIGHT,XB(F)::P(C)
      • K(b);N_PINB(F),S_FLIGHT::B(F)
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