MESON Chess Problem Database

Problem Display
PID: 217456 (6nb/2Bp4/q1p1p2R/p2kp2Q/N1b3P1/Kn3P2/B1R1N3/3r4 w - - 0 1)

Supp, Walter

Badische Neueste Nachrichten, 1997

6nb/2Bp4/q1p1p2R/p2kp2Q/N1b3P1/Kn3P2/B1R1N3/3r4

#2

10 + 12

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Sec3#
    • 1...Bd3
      • 2.Rc5#
    • 1...Bb5
      • 2.Rc5#
    • 1...Sd4
      • 2.Sec3#
      • 2.Sf4#
    • 1...Sc5
      • 2.Sac3#
    • 1...Sf6
      • 2.Qxe5#
  • Tries
    • 1.Qg6?
      • threat
        • 2.Qe4#
      • 1...Rd4
        • 2.Sec3#
      • 1...Bd3
        • 2.Rc5#
      • 1...Sd2
        • 2.Qd3#
      • 1...Sc5
        • 2.Sac3#
      • 1...e4
        • 2.Qxe4#
        • 2.fxe4#
      • 1...Sf6!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qe4#
      • 1...exf5
        • 2.Rd6#
      • 1...Rd4
        • 2.Sec3#
      • 1...Bd3
        • 2.Rc5#
      • 1...Sd2
        • 2.Qd3#
      • 1...Sc5
        • 2.Sac3#
      • 1...Sf6
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(a);SBLOCK::S(C)
    • B(c);OGATE,P_SPINS(b)::R1(B)
    • S(b);P_SPINB(c),SBLOCK::S(F)
    • S(k);S_CUTB(l)::QAR1(H),XP(f)
  • Tries
    • Try
      • Q(H);N_PINP(f)
      • Threat
        • QAB1(H)
      • Vars
        • R(a);SBLOCK::S(C)
        • B(c);OGATE,P_SPINS(b)::R1(B)
        • S(b);N_GUARD,P_SPINB(c),S_CUTR(a)::QAR2(H)
        • S(b);P_SPINB(c),SBLOCK::S(F)
      • Refutation
        • S(k);
  • Actual
    • Q(H);
    • Threat
      • QAB1(H)
    • Vars
      • P(i);N_SPINP(f),OGATE,XQ(H)::R1(I)
      • R(a);SBLOCK::S(C)
      • B(c);OGATE,P_SPINS(b)::R1(B)
      • S(b);N_GUARD,P_SPINB(c),S_CUTR(a)::QAR2(H)
      • S(b);P_SPINB(c),SBLOCK::S(F)
      • S(k);S_CUTB(l)::QAR1(H),XP(f)
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