MESON Chess Problem Database

Problem Display
PID: 157780 (1B2b3/p3P1n1/8/3pN1N1/1PPkr1p1/4p1Rr/1P1nK2p/3R1Q2 w - - 0 1)

Mazul, Waldemar

Sachove umeni (Ceskoslovensky sach), 1996

1B2b3/p3P1n1/8/3pN1N1/1PPkr1p1/4p1Rr/1P1nK2p/3R1Q2

#2

11 + 11

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Qxf4#
    • 1...Sf5
      • 2.Se6#
    • 1...Sh5
      • 2.Se6#
    • 1...Se6
      • 2.Sxe6#
  • Tries
    • 1.Qf5?
      • threat
        • 2.Bxa7#
      • 1...Rxe5
        • 2.Qd3#
      • 1...Sxf5
        • 2.Se6#
      • 1...dxc4
        • 2.Qxe4#
      • 1...Se6
        • 2.Sxe6#
      • 1...a5
        • 2.Ba7#
      • 1...a6
        • 2.Ba7#
      • 1...Rh6!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Bxa7#
      • 1...Rxe5
        • 2.Rxg4#
      • 1...dxc4
        • 2.Qd6#
      • 1...Se6
        • 2.Sxe6#
      • 1...a5
        • 2.Ba7#
        • 2.Qb6#
      • 1...a6
        • 2.Ba7#
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(f);OGATEB::QAR2(B),XR(f)
    • S(j);N_GUARD::S(I)
    • S(j);N_GUARD::S(I),XS(j)
  • Tries
    • Try
      • Q(B);
      • Threat
        • B(K),XP(i)
      • Vars
        • R(f);OGATE,XS(H)::QAR1(B)
        • S(j);N_GUARD,XQ(B)::S(I)
        • P(h);N_GUARD,XP(G)::QAR1(B),XR(f)
        • S(j);N_GUARD::S(I),XS(j)
        • P(i);::B(K)
      • Refutation
        • R(d);
  • Actual
    • Q(B);
    • Threat
      • B(K),XP(i)
    • Vars
      • R(f);OGATEB,P_SPINR(f),XS(H)::R(E),XP(g)
      • P(h);OGATEB,XP(G)::QAR2(B)
      • S(j);N_GUARD::S(I),XS(j)
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