MESON Chess Problem Database

Problem Display
PID: 228125 (6Q1/1ppK1p2/4BP2/3pk1P1/1Npp1b1r/R3pP2/b3N2p/2B5 w - - 0 1)

Svitek, Miroslav

Uris, Miguel

Sachmatija, 2020

6Q1/1ppK1p2/4BP2/3pk1P1/1Npp1b1r/R3pP2/b3N2p/2B5

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg5
      • 2.Qxg5#
    • 1...c3
      • 2.Sd3#
    • 1...b5
      • 2.Sc6#
    • 1...b6
      • 2.Sc6#
    • 1...c5
      • 2.Qb8#
    • 1...c6
      • 2.Qb8#
    • 1...fxe6
      • 2.Qxe6#
  • Tries
    • 1.Bb2?
      • threat
        • 2.Bxd4#
      • 1...Bxg5
        • 2.Qxg5#
      • 1...fxe6
        • 2.Qxe6#
      • 1...c3
        • 2.Sd3#
      • 1...c5
        • 2.Qb8#
      • 1...Bg3!
  • Keys
    • 1.Ra5!
      • threat
        • 2.Rxd5#
      • 1...Bxg5
        • 2.Qxg5#
      • 1...fxe6
        • 2.Qxe6#
      • 1...c3
        • 2.Sd3#
      • 1...b5
        • 2.Sc6#
      • 1...c5
        • 2.Qb8#
      • 1...c6
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • B(f);OGATE,XP(F)::QAR2(J),XB(f)
    • P(d);N_GUARD::S(E)
    • P(j);N_GUARD::S(E)
    • P(k);OGATEB::QAB(J)
    • P(l);OGATE,XB(G)::QAR1(J),XP(l)
  • Tries
    • Try
      • B(A);P_PINP(e)
      • Threat
        • B(A),XP(e)
      • Vars
        • B(f);OGATE,XP(F)::QAR2(J),XB(f)
        • P(l);OGATE,XB(G)::QAR1(J),XP(l)
        • P(d);N_GUARD,N_SPINP(e)::S(E)
        • P(k);OGATEB::QAB(J)
      • Refutation
        • B(f);
  • Actual
    • R(C);P_PINP(h)
    • Threat
      • R1(C),XP(h)
    • Vars
      • B(f);OGATE,XP(F)::QAR2(J),XB(f)
      • P(l);OGATE,XB(G)::QAR1(J),XP(l)
      • P(d);N_GUARD::S(E)
      • P(j);N_GUARD,N_SPINP(h)::S(E)
      • P(k);N_SPINP(h),OGATEB::QAB(J)
      • P(k);OGATEB::QAB(J)
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