MESON Chess Problem Database

Problem Display
PID: 237292 (1RnKn3/3Pp3/2k5/5Q2/b3N3/q7/2Nr4/8 w - - 0 1)

Lipton, Michael

Candela MT (Problemas), 2018

1RnKn3/3Pp3/2k5/5Q2/b3N3/q7/2Nr4/8

#2

6 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qc1
      • 2.Sb4#
      • 2.Qc5#
    • 1...Qb2
      • 2.Qc5#
    • 1...Qb4
      • 2.Sxb4#
    • 1...Qc5
      • 2.Qxc5#
    • 1...Qa1
      • 2.Sb4#
      • 2.Qc5#
    • 1...Qa2
      • 2.Sb4#
      • 2.Qc5#
    • 1...Qb3
      • 2.Qc5#
    • 1...Qd3
      • 2.Sb4#
      • 2.Qc5#
    • 1...Qe3
      • 2.Sb4#
    • 1...Qf3
      • 2.Sb4#
      • 2.Qc5#
    • 1...Qg3
      • 2.Sb4#
      • 2.Qc5#
    • 1...Qh3
      • 2.Sb4#
      • 2.Qc5#
    • 1...Rxc2
      • 2.dxe8Q#
      • 2.dxe8B#
    • 1...Re2
      • 2.Sd4#
      • 2.dxe8Q#
      • 2.dxe8B#
    • 1...Rf2
      • 2.Sd4#
      • 2.dxe8Q#
      • 2.dxe8B#
    • 1...Rg2
      • 2.Sd4#
      • 2.dxe8Q#
      • 2.dxe8B#
    • 1...Rh2
      • 2.Sd4#
      • 2.dxe8Q#
      • 2.dxe8B#
    • 1...Rd4
      • 2.Sxd4#
    • 1...Rxd7+
      • 2.Qxd7#
    • 1...Bxc2
      • 2.Qb5#
    • 1...Bb3
      • 2.Qb5#
    • 1...Bb5
      • 2.Qxb5#
  • Keys
    • 1.Qe6+!
      • 1...Qd6
        • 2.Sb4#
      • 1...Rd6
        • 2.Sd4#
      • 1...Scd6
        • 2.dxe8Q#
        • 2.dxe8B#
      • 1...Sed6
        • 2.dxc8Q#
        • 2.dxc8R#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 10
  • Sets
    • Q(b);N_GUARD::QAR1(C)
    • Q(b);N_GUARD::S(A),XQ(b)
    • Q(b);N_GUARD::QAR1(C),XQ(b)
    • Q(b);N_GUARD::S(A)
    • R(a);N_PINP(D),XS(A)::PXS(g)=Q
    • R(a);N_GUARD::S(A),XR(a)
    • R(a);CHECK,OGATE,XP(D)::QAB1(C),XR(a)
    • B(c);N_GUARD,XS(A)::QAB1(C)
    • B(c);N_GUARD::QAB1(C)
    • B(c);N_GUARD::QAB1(C),XB(c)
  • Actual
    • Q(C);CHECK
    • Vars
      • Q(b);P_SPINQ(b)::S(A)
      • R(a);P_SPINR(a)::S(A)
      • S(f);N_PINP(D),P_SPINS(f)::PXS(g)=Q
      • S(g);N_PINP(D),P_SPINS(g)::PXS(f)=Q
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