MESON Chess Problem Database

Problem Display
PID: 23770 (rBR2K2/3pN2p/3p4/6Rr/p1nk1p2/b1pNpP2/2Q5/5b2 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Sakkelet, 1996

rBR2K2/3pN2p/3p4/6Rr/p1nk1p2/b1pNpP2/2Q5/5b2

#2

8 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Rd5#
    • 1...Rh2
      • 2.Rd5#
    • 1...Rh3
      • 2.Rd5#
    • 1...Rh4
      • 2.Rd5#
    • 1...Rh6
      • 2.Rd5#
    • 1...Sb2
      • 2.Qxc3#
    • 1...Sd2
      • 2.Qxc3#
    • 1...Sa5
      • 2.Qxc3#
    • 1...Se5
      • 2.Qxc3#
    • 1...Sb6
      • 2.Qxc3#
  • Tries
    • 1.Sc1?
      • threat
        • 2.Qe4#
      • 1...Bd3
        • 2.Qxd3#
      • 1...Sd2
        • 2.Qxc3#
      • 1...d5!
    • 1.Se1?
      • threat
        • 2.Qe4#
      • 1...Bd3
        • 2.Qxd3#
      • 1...Sd2
        • 2.Qxc3#
      • 1...d5!
    • 1.Sf2?
      • threat
        • 2.Qe4#
      • 1...Bd3
        • 2.Qxd3#
      • 1...Sd2
        • 2.Qxc3#
      • 1...d5!
    • 1.Sxf4?
      • threat
        • 2.Qe4#
      • 1...Bd3
        • 2.Qxd3#
      • 1...Sd2
        • 2.Qxc3#
      • 1...d5!
    • 1.Sc5?
      • threat
        • 2.Qe4#
      • 1...d5
        • 2.Sf5#
      • 1...Bd3
        • 2.Qxd3#
      • 1...Sd2!
    • 1.Se5?
      • threat
        • 2.Qe4#
      • 1...Bd3
        • 2.Qxd3#
      • 1...Sd2
        • 2.Qxc3#
      • 1...d5!
  • Keys
    • 1.Sb4!
      • threat
        • 2.Qe4#
      • 1...d5
        • 2.Sf5#
      • 1...Bd3
        • 2.Qxd3#
      • 1...Sd2
        • 2.Qxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 9
  • Sets
    • R(i);N_GUARD::R1(D)
    • S(f);::QAB1(A),XP(c)
  • Tries
    • Try
      • S(B);
      • Threat
        • QAR1(A)
      • Vars
        • B(a);N_GUARD::QAR1(A),XB(a)
        • S(f);::QAB1(A),XP(c)
      • Refutation
        • P(j);P_PINS(E)
    • Try
      • S(B);
      • Threat
        • QAR1(A)
      • Vars
        • B(a);N_GUARD::QAR1(A),XB(a)
        • S(f);::QAB1(A),XP(c)
      • Refutation
        • P(j);P_PINS(E)
    • Try
      • S(B);
      • Threat
        • QAR1(A)
      • Vars
        • B(a);N_GUARD::QAR1(A),XB(a)
        • S(f);::QAB1(A),XP(c)
      • Refutation
        • P(j);P_PINS(E)
    • Try
      • S(B);XP(h)
      • Threat
        • QAR1(A)
      • Vars
        • B(a);N_GUARD::QAR1(A),XB(a)
        • S(f);::QAB1(A),XP(c)
      • Refutation
        • P(j);P_PINS(E)
    • Try
      • S(B);
      • Threat
        • QAR1(A)
      • Vars
        • P(j);SBLOCK::S(E)
        • B(a);N_GUARD::QAR1(A),XB(a)
      • Refutation
        • S(f);
    • Try
      • S(B);
      • Threat
        • QAR1(A)
      • Vars
        • B(a);N_GUARD::QAR1(A),XB(a)
        • S(f);::QAB1(A),XP(c)
      • Refutation
        • P(j);P_PINS(E)
  • Actual
    • S(B);
    • Threat
      • QAR1(A)
    • Vars
      • P(j);::S(E)
      • B(a);N_GUARD::QAR1(A),XB(a)
      • S(f);::QAB1(A),XP(c)
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