MESON Chess Problem Database

Problem Display
PID: 70949 (3R2R1/1rn2Qpq/4P3/3Pk3/5pP1/N1bP1Br1/Kn5N/6B1 w - - 0 1)

Bedoni, Romeo

Journal de Geneve, 1974

3R2R1/1rn2Qpq/4P3/3Pk3/5pP1/N1bP1Br1/Kn5N/6B1

#2

12 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd3
      • 2.Qxg7#
    • 1...Qe4
      • 2.Qxg7#
    • 1...Qf5
      • 2.Qxf5#
    • 1...Qxg8
      • 2.Qf5#
    • 1...Qxh2
      • 2.Qf5#
      • 2.Qxg7#
    • 1...Qh3
      • 2.Qf5#
      • 2.Qxg7#
    • 1...Qh4
      • 2.Qf5#
    • 1...Qh5
      • 2.Qxg7#
    • 1...Qh6
      • 2.Qf5#
    • 1...Qh8
      • 2.Qf5#
    • 1...Rxf3
      • 2.Sxf3#
    • 1...Rxg4
      • 2.Sxg4#
    • 1...Be1
      • 2.d4#
    • 1...Bd2
      • 2.d4#
    • 1...Bb4
      • 2.d4#
    • 1...Ba5
      • 2.d4#
    • 1...Sd1
      • 2.Sc4#
    • 1...Sxd3
      • 2.Sc4#
    • 1...Sa4
      • 2.Sc4#
    • 1...Sc4
      • 2.Sxc4#
    • 1...Sxd5
      • 2.Rxd5#
    • 1...Sxe6
      • 2.Qxe6#
  • Keys
    • 1.Rgf8!
      • threat
        • 2.Qxf4#
      • 1...Rxf3
        • 2.Sxf3#
      • 1...Rxg4
        • 2.Sxg4#
      • 1...Sxd3
        • 2.Sc4#
      • 1...Sxd5
        • 2.Rxd5#
      • 1...Sxe6
        • 2.Qxe6#
      • 1...Qe4
        • 2.Qxg7#
      • 1...Qf5
        • 2.Qxf5#
      • 1...Qh6
        • 2.Qf5#
      • 1...Rb4
        • 2.Qxc7#
      • 1...Bd2
        • 2.d4#
      • 1...g5
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 11
  • Sets
    • Q(i);N_GUARD,XP(E)::QAB(J),XP(h)
    • Q(i);N_GUARD::QAB(J),XP(h)
    • Q(i);N_GUARD::QAR1(J),XQ(i)
    • Q(i);N_GUARD,XR(L)::QAR1(J)
    • Q(i);N_GUARD::QAR1(J)
    • R(c);XB(F)::S(C),XR(c)
    • R(c);XP(G)::S(C),XR(c)
    • B(b);N_GUARD::P(E)
    • S(a);N_GUARD::S(D)
    • S(a);N_GUARD,XP(E)::S(D)
    • S(a);N_GUARD::S(D),XS(a)
    • S(g);OGATE,XP(H)::R1(K),XS(g)
    • S(g);OGATE,XP(I)::QAR1(J),XS(g)
  • Actual
    • R(L);
    • Threat
      • QAB1(J),XP(d)
    • Vars
      • R(c);XB(F)::S(C),XR(c)
      • R(c);XP(G)::S(C),XR(c)
      • S(a);N_GUARD,XP(E)::S(D)
      • S(g);OGATE,XP(H)::R1(K),XS(g)
      • S(g);OGATE,XP(I)::QAR1(J),XS(g)
      • Q(i);N_GUARD::QAB(J),XP(h)
      • Q(i);N_GUARD::QAR1(J),XQ(i)
      • Q(i);N_GUARD::QAR1(J)
      • R(f);N_GUARD::QAB(J),XS(g)
      • B(b);N_GUARD::P(E)
      • P(h);N_GUARD::QAB1(J)
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