MESON Chess Problem Database

Problem Display
PID: 275216 (1B4B1/8/1pp1r3/Q1n2N2/2p1k1P1/3bN3/3RP1K1/4R3 w - - 0 1)

Bielefeldt, German

Tarnawiecki, Antonio

Peris-120 MT (Problemas), 2024

1B4B1/8/1pp1r3/Q1n2N2/2p1k1P1/3bN3/3RP1K1/4R3

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Rd4#
    • 1...Bc2
      • 2.Rd4#
    • 1...Bxe2
      • 2.Rd4#
  • Tries
    • 1.exd3+?
      • 1...cxd3
        • 2.Qb4#
      • 1...Sxd3!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Sc3#
      • 1...Kxd5
        • 2.e4#
      • 1...cxd5
        • 2.exd3#
      • 1...Re5
        • 2.exd3#
      • 1...Rd6
        • 2.exd3#
      • 1...Sa4
        • 2.exd3#
      • 1...c3
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • B(a);OGATE::R1(B)
    • B(a);OGATE,XP(C)::R1(B)
  • Tries
    • Try
      • P(C);CHECK,XB(a)
      • Vars
        • P(b);S_CUTS(d),XP(C)::QAR(G)
      • Refutation
        • S(d);XP(C)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(c);OGATE,P_SPINB(a),P_SPINR(g),P_SPINS(d),S_FLIGHT,XS(E)::P(C)
      • P(f);SBLOCK,XS(E)::R(A)+P(C)DCHECK,XB(a)
      • R(g);::R(A)+P(C)DCHECK,XB(a)
      • S(d);::R(A)+P(C)DCHECK,XB(a)
      • P(b);::S(E),XP(b)
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