MESON Chess Problem Database

Problem Display
PID: 232447 (5b1B/3N3Q/r1p3p1/5pp1/1r2k3/6P1/B1pRKn2/1Nqn4 w - - 0 1)

Dietrich, Albert

Freie Presse, 1980

5b1B/3N3Q/r1p3p1/5pp1/1r2k3/6P1/B1pRKn2/1Nqn4

#2

8 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd2+
      • 2.Sxd2#
    • 1...Rxb1
      • 2.Rd4#
    • 1...Rb2
      • 2.Rd4#
    • 1...Rb3
      • 2.Rd4#
    • 1...Rd4
      • 2.Rxd4#
    • 1...Rb5
      • 2.Rd4#
    • 1...Rbb6
      • 2.Rd4#
    • 1...Rb7
      • 2.Rd4#
    • 1...Rb8
      • 2.Rd4#
    • 1...Bc5
      • 2.Sxc5#
    • 1...Bh6
      • 2.Sc5#
      • 2.Qe7#
    • 1...Be7
      • 2.Qxe7#
    • 1...Sb2
      • 2.Sc3#
    • 1...Sc3+
      • 2.Sxc3#
    • 1...Se3
      • 2.Sc3#
    • 1...Sh1
      • 2.Qxh1#
    • 1...Sd3
      • 2.Qh1#
    • 1...Sg4
      • 2.Qh1#
    • 1...f4
      • 2.Qxg6#
    • 1...c5
      • 2.Bd5#
  • Keys
    • 1.Bc3!
      • threat
        • 2.Sf6#
      • 1...Qxd2+
        • 2.Sxd2#
      • 1...Sxc3+
        • 2.Sxc3#
      • 1...f4
        • 2.Qxg6#
      • 1...Rd4
        • 2.Rxd4#
      • 1...Be7
        • 2.Qxe7#
      • 1...Bg7
        • 2.Sc5#
      • 1...Sg4
        • 2.Qh1#
      • 1...c5
        • 2.Bd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 12
  • Sets
    • Q(a);CHECK,XR(C)::S(A),XQ(a)
    • R(e);N_GUARD,XS(A)::R1(C)
    • R(e);N_GUARD::R1(C)
    • R(e);N_GUARD::R1(C),XR(e)
    • B(l);N_GUARD::S(F),XB(l)
    • B(l);N_GUARD::QAR(G),XB(l)
    • S(b);N_GUARD::S(A)
    • S(b);CHECK,N_GUARD::S(A),XS(b)
    • S(d);N_GUARD::QAB(G),XS(d)
    • S(d);N_GUARD::QAB(G)
    • P(g);OGATEB,P_SPINP(k)::QAB(G),XP(k)
    • P(j);N_GUARD::B(B)
  • Actual
    • B(H);
    • Threat
      • S(F)
    • Vars
      • Q(a);CHECK,XR(C)::S(A),XQ(a)
      • S(b);CHECK,XB(H)::S(A),XS(b)
      • P(g);OGATEB,P_SPINP(k)::QAB(G),XP(k)
      • R(e);N_GUARD::R1(C),XR(e)
      • B(l);N_GUARD::QAR(G),XB(l)
      • B(l);N_GUARD::S(F)
      • S(d);N_GUARD::QAB(G)
      • P(j);N_GUARD::B(B)
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