MESON Chess Problem Database

Problem Display
PID: 254578 (2n4Q/4p3/2R1pnPN/N3k1rb/1pP3p1/3PB1K1/rbp5/R7 w - - 0 1)

Uris, Miguel

Die Schwalbe, 2021

2n4Q/4p3/2R1pnPN/N3k1rb/1pP3p1/3PB1K1/rbp5/R7

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rxa5
      • 2.Rxa5#
    • 1...Rf5
      • 2.Sf7#
    • 1...Bd4
      • 2.Bf4#
    • 1...Sb6
      • 2.Qb8#
    • 1...Sd6
      • 2.Rc5#
    • 1...Sa7
      • 2.Qb8#
  • Tries
    • 1.Rf1?
      • threat
        • 2.Sf7#
      • 1...Sd6
        • 2.Rc5#
      • 1...Bxg6!
  • Keys
    • 1.Sb7!
      • threat
        • 2.Rc5#
      • 1...Ra5
        • 2.Rxa5#
      • 1...Bd4
        • 2.Bf4#
      • 1...Sb6
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • R(a);OGATE,XS(F)::R(A),XR(a)
    • R(g);SBLOCK::S(I)
    • B(b);SBLOCK::B(C)
    • S(l);OGATE::QAB(J)
    • S(l);SBLOCK::R(G)
  • Tries
    • Try
      • R(A);
      • Threat
        • S(I)
      • Vars
        • S(l);SBLOCK::R(G)
      • Refutation
        • B(h);XP(H)
  • Actual
    • S(F);
    • Threat
      • R(G)
    • Vars
      • R(a);OGATE::R(A),XR(a)
      • B(b);SBLOCK::B(C)
      • S(l);OGATE::QAB(J)
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