MESON Chess Problem Database

Problem Display
PID: 163790 (8/8/n7/2p4n/7r/B1kbNP2/P3P3/R3K1Q1 w Q - 0 1)

Schonholzer, Andreas

Basler Nachrichten, 1967

8/8/n7/2p4n/7r/B1kbNP2/P3P3/R3K1Q1

#2

8 + 6

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bb2#
    • 1...Sf4
      • 2.Qg7#
  • Tries
    • 1.Sd1+?
      • 1...Kc2
        • 2.Rc1#
      • 1...Kc4!
    • 1.Sd5+?
      • 1...Kc2
        • 2.Rc1#
      • 1...Kc4!
    • 1.Rc1+?
      • 1...Kd4
        • 2.Bb2#
      • 1...Bc2!
  • Keys
    • 1.0-0-0!
      • threat
        • 2.Rxd3#
      • 1...Kd4
        • 2.Bb2#
      • 1...Bxe2
        • 2.Qe1#
      • 1...Rd4
        • 2.Qe1#
      • 1...Bb1
        • 2.Qe1#
      • 1...Bc2
        • 2.Qe1#
      • 1...Bc4
        • 2.Qe1#
      • 1...Be4
        • 2.Qe1#
      • 1...Bb5
        • 2.Qe1#
      • 1...Bf5
        • 2.Qe1#
      • 1...Bg6
        • 2.Qe1#
      • 1...Bh7
        • 2.Qe1#
      • 1...Sf4
        • 2.Qg7#
      • 1...Sb4
        • 2.Bb2#
      • 1...c4
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(F)
    • S(e);N_GUARD,S_CUTR(c)::QAB(C)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(a);P-FLIGHT::R1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(G);CHECK
      • Vars
        • K(a);P-FLIGHT::R1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(A);CHECK
      • Vars
        • K(a);S_FLIGHT::B(F)
      • Refutation
        • B(b);P_SPINB(b)
  • Actual
    • K(B);0-0-0
    • Threat
      • R1(A),XB(b)
    • Vars
      • K(a);P_SPINB(b),S_FLIGHT::B(F)
      • B(b);XP(E)::QAB(C)
      • R(c);SBLOCK::QAB(C)
      • B(b);::QAB(C)
      • S(e);N_GUARD,S_CUTR(c)::QAB(C)
      • S(f);SBLOCK::B(F)
      • P(d);SBLOCK::S(G)
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