MESON Chess Problem Database

Problem Display
PID: 141726 (1K4nQ/2R1bpN1/3n4/1prp4/N2Pk2q/2rbBRP1/2p1p1P1/8 w - - 0 1)

Hertmann, Sandor

Prize, Die Schwalbe, 1929

1K4nQ/2R1bpN1/3n4/1prp4/N2Pk2q/2rbBRP1/2p1p1P1/8

#2

10 + 13

102 Probleemblad 1977

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3
      • 2.Sxc5#
    • 1...Rb3
      • 2.Sxc5#
    • 1...Bc4
      • 2.Sxc5#
    • 1...Bf8
      • 2.Qxh4#
    • 1...Sc4
      • 2.Sxc3#
    • 1...Sf6
      • 2.Rxe7#
    • 1...f6
      • 2.Qxh4#
  • Tries
    • 1.Rxe7+?
      • 1...Sxe7
        • 2.Qxh4#
      • 1...Qxe7!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Qe5#
      • 1...Qxg3
        • 2.Sxg3#
      • 1...Qxh8
        • 2.Rf4#
      • 1...Qf4
        • 2.Rxf4#
      • 1...Bc4
        • 2.Sxc5#
      • 1...Qf6
        • 2.Rf4#
      • 1...Bf6
        • 2.Sxd6#
      • 1...Sc4
        • 2.Sxc3#
      • 1...Sf6
        • 2.Rxe7#
      • 1...f6
        • 2.Qxh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • R(c);N_GUARD::S(E),XR(h)
    • B(d);S_CUTR(c)::S(E),XR(h)
    • B(k);N_GUARD::QAR(J),XQ(f)
    • S(j);S_CUTR(h)::S(E),XR(c)
    • S(m);N_GUARD,S_CUTQ(f)::R(G),XB(k)
    • P(l);S_CUTB(k)::QAR(J),XQ(f)
  • Tries
    • Try
      • R(G);CHECK,XB(k)
      • Vars
        • S(m);XR(G)::QAR(J),XQ(f)
      • Refutation
        • Q(f);XR(G)
  • Actual
    • S(H);
    • Threat
      • QAR1(J)
    • Vars
      • Q(f);XP(D)::S(H),XQ(f)
      • Q(f);N_GUARD,XQ(J)::R1(C)
      • Q(f);N_GUARD::R1(C),XQ(f)
      • B(d);S_CUTR(c)::S(E),XR(h)
      • Q(f);N_GUARD::R1(C)
      • B(k);N_GUARD::S(H),XS(j)
      • S(j);S_CUTR(h)::S(E),XR(c)
      • S(m);N_GUARD,S_CUTQ(f)::R(G),XB(k)
      • P(l);S_CUTB(k)::QAR(J),XQ(f)
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