MESON Chess Problem Database

Problem Display
PID: 41810 (nn3N2/rpPP3Q/1kq5/RP3R2/1P1KB3/1NP5/8/6B1 w - - 0 1)

Petrovic, Nenad

Sahovski Glasnik, 1929

nn3N2/rpPP3Q/1kq5/RP3R2/1P1KB3/1NP5/8/6B1

#2

13 + 6

20 De Problemist 1930

SOLUTION

  • SOUND
  • Tries
    • 1.c8S+?
      • 1...Qxc8
        • 2.dxc8S#
      • 1...Kc7!
  • Keys
    • 1.cxb8Q!
      • 1...Qxe4+
        • 2.Kxe4#
      • 1...Qd5+
        • 2.Kxd5#
      • 1...Qxd7+
        • 2.Sxd7#
      • 1...Qxc3+
        • 2.Kxc3#
      • 1...Qc4+
        • 2.Kxc4#
      • 1...Qc5+
        • 2.bxc5#
      • 1...Qd6+
        • 2.Qxd6#
      • 1...Qf6+
        • 2.Rxf6#
      • 1...Qxb5
        • 2.Rfxb5#
      • 1...Rxa5
        • 2.bxa5#
      • 1...Qe6
        • 2.Kd3#
      • 1...Qg6
        • 2.Qxg6#
      • 1...Qh6
        • 2.Qxh6#
      • 1...Qc7
        • 2.Qxa7#
      • 1...Qc8
        • 2.dxc8S#
      • 1...Ra6
        • 2.Rxa6#
      • 1...Sc7
        • 2.Qxa7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 17
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(J);CHECK
      • Vars
        • Q(b);OGATE,XS(J)::PXQ(b)=S
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(J);P_PINP(d),XS(f)
    • Vars
      • Q(b);CHECK,XB(F)::B(A)+K(E),XQ(b)
      • Q(b);CHECK::B(A)+K(E),XQ(b)
      • Q(b);CHECK,XP(K)::S(M),XQ(b)
      • Q(b);CHECK,XP(C)::B(A)+K(E),XQ(b)
      • Q(b);CHECK,OGATE::P(D),XQ(b)
      • Q(b);CHECK,OGATEB::QAR2(J),XQ(b)
      • Q(b);CHECK,OGATEB::R(I),XQ(b)
      • Q(b);OGATE,XP(H)::R1(I),XQ(b)
      • R(c);OGATE,XR(G)::P(D),XR(c)
      • Q(b);N_GUARD::B(A)+K(E)
      • Q(b);OGATEB::QAR(L),XQ(b)
      • Q(b);SBLOCK::QAB1(J),XR(c)
      • Q(b);OGATE::PXQ(b)=S
      • R(c);N_GUARD::R1(G),XR(c)
      • S(e);SBLOCK::QAB1(J),XR(c)
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