MESON Chess Problem Database

Problem Display
PID: 249528 (1n3K1k/2Rp4/1b4P1/BRp5/1pB1b3/2p5/Q2n4/8 w - - 0 1)

Svoboda, Rudolf

Schakend Nederland, 1986

1n3K1k/2Rp4/1b4P1/BRp5/1pB1b3/2p5/Q2n4/8

#2

7 + 9

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Qh2#
    • 1...Sb3
      • 2.Qh2#
    • 1...Sxc4
      • 2.Qh2#
    • 1...c2
      • 2.Qa1#
      • 2.Qb2#
    • 1...b3
      • 2.Bxc3#
    • 1...d5
      • 2.Rh7#
    • 1...d6
      • 2.Rh7#
  • Tries
    • 1.Bf1?
      • threat
        • 2.Qg8#
      • 1...Sb3
        • 2.Qh2#
      • 1...Sc4
        • 2.Qh2#
      • 1...b3
        • 2.Bxc3#
      • 1...c4
        • 2.Rh5#
      • 1...d5
        • 2.Rh7#
      • 1...Bd5!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Qg8#
      • 1...Bd5
        • 2.g7#
      • 1...Sb3
        • 2.Qh2#
      • 1...Sc4
        • 2.Qh2#
      • 1...b3
        • 2.Bxc3#
      • 1...c4
        • 2.Rh5#
      • 1...d5
        • 2.Rh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • S(a);OGATE::QAR(A)
    • S(a);OGATE,XB(B)::QAR(A)
    • P(c);OGATE::B(C),XP(b)
    • P(g);OGATE::R1(F)
  • Tries
    • Try
      • B(B);
      • Threat
        • QAR1(A)
      • Vars
        • S(a);OGATE::QAR(A)
        • P(c);OGATE::B(C),XP(b)
        • P(e);OGATE::R(D)
        • P(g);OGATE::R1(F)
      • Refutation
        • B(d);
  • Actual
    • B(B);
    • Threat
      • QAR1(A)
    • Vars
      • B(d);::P(E)
      • S(a);OGATE::QAR(A)
      • P(c);OGATE::B(C),XP(b)
      • P(e);OGATE::R(D)
      • P(g);OGATE::R1(F)
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