MESON Chess Problem Database

Problem Display
PID: 246015 (B7/1n2p3/2Q1Nb1B/3pk1pR/n3p2N/6P1/2KP4/3R4 w - - 0 1)

Svitek, Miroslav

Pravda, 2008

B7/1n2p3/2Q1Nb1B/3pk1pR/n3p2N/6P1/2KP4/3R4

#2

10 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bg7
      • 2.Bxg7#
    • 1...Sa5
      • 2.Qxd5#
    • 1...Sc5
      • 2.Qxd5#
    • 1...Sd6
      • 2.Qxd5#
    • 1...Sd8
      • 2.Qxd5#
  • Tries
    • 1.Re1?
      • threat
        • 2.d4#
      • 1...Bg7
        • 2.Bxg7#
      • 1...Sd6
        • 2.Qxd5#
      • 1...e3
        • 2.Rxe3#
      • 1...d4
        • 2.Rxe4#
      • 1...Bh8!
    • 1.Rf1?
      • threat
        • 2.Sg6#
        • 2.Rf5#
      • 1...Sd6
        • 2.Qxd5#
      • 1...e3!
  • Keys
    • 1.Sxg5!
      • threat
        • 2.Sgf3#
      • 1...Kd4
        • 2.Se6#
      • 1...Bxg5
        • 2.Bg7#
      • 1...Sd6
        • 2.Qxd5#
      • 1...e3
        • 2.d4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • B(f);OGATEB::B(I),XB(f)
    • S(g);::QAR1(G),XP(c)
  • Tries
    • Try
      • R(A);N_PINP(e),P_PINP(b)
      • Threat
        • P(C)
      • Vars
        • B(f);OGATEB::B(I),XB(f)
        • S(g);::QAR1(G),XP(c)
        • P(b);OGATEB::R(A),XP(b)
        • P(c);N_GUARD::R1(A),XP(b)
      • Refutation
        • B(f);
    • Try
      • R(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(g);::QAR1(G),XP(c)
      • Refutation
        • P(b);
  • Actual
    • S(H);XP(e)
    • Threat
      • R(F)+S(H),DCHECK
    • Vars
      • K(d);S_FLIGHT::S(H)
      • B(f);OGATEB,P_SPINB(f),XS(H)::B(I)
      • S(g);::QAR1(G),XP(c)
      • P(b);N_GUARD::P(C)
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