MESON Chess Problem Database

Problem Display
PID: 204917 (3Bn3/1N1p4/b3p2R/Nkp5/rppr4/1B1p1Q2/7p/6bK w - - 0 1)

Svitek, Miroslav

PZSzach, 2019

3Bn3/1N1p4/b3p2R/Nkp5/rppr4/1B1p1Q2/7p/6bK

#2

7 + 13

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Bxc4#
    • 1...Rd6
      • 2.Bxc4#
    • 1...Bxb7
      • 2.Qxb7#
    • 1...e5
      • 2.Rb6#
    • 1...d6
      • 2.Qc6#
  • Tries
    • 1.Sd6+?
      • 1...Rxd6
        • 2.Bxc4#
      • 1...Sxd6!
  • Keys
    • 1.Qd5!
      • threat
        • 2.Qxc5#
      • 1...Rxd5
        • 2.Bxc4#
      • 1...Bxb7
        • 2.Qxb7#
      • 1...exd5
        • 2.Rb6#
      • 1...Re4
        • 2.Qxd7#
      • 1...Rf4
        • 2.Qxd7#
      • 1...Rg4
        • 2.Qxd7#
      • 1...Rh4
        • 2.Qxd7#
      • 1...d6
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • R(g);N_GUARD::B(B),XP(f)
    • B(j);OGATE,P_PINQ(C),XS(F)::QAR2(C),XB(j)
    • P(k);OGATE::R1(E)
    • P(l);N_GUARD::QAB1(C)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • R(g);XS(F)::B(B),XP(f)
      • Refutation
        • S(m);XS(F)
  • Actual
    • Q(C);P_PINP(i)
    • Threat
      • QAR1(C),XP(i)
    • Vars
      • R(g);N_GUARD,N_SPINP(i),XQ(C)::B(B),XP(f)
      • B(j);OGATE,P_PINQ(C),XS(F)::QAR2(C),XB(j)
      • P(k);N_SPINP(i),OGATE,XQ(C)::R1(E)
      • R(g);N_GUARD::QAB(C),XP(l)
      • P(l);N_GUARD::QAB1(C)
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