MESON Chess Problem Database

Problem Display
PID: 199988 (Q7/4N2p/K2npn2/ppB1k1P1/r3P2r/2R3P1/3P1P2/1b2N2q w - - 0 1)

Bottger, Horst

Der neue Tag (Weiden)/Amberger Zeitung, 2001

(First published on Sat Sep 15 2001)

Q7/4N2p/K2npn2/ppB1k1P1/r3P2r/2R3P1/3P1P2/1b2N2q

#2

11 + 11

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Qf3
      • 2.Sxf3#
    • 1...Qf1
      • 2.Sf3#
    • 1...Qg1
      • 2.Sf3#
    • 1...Qh2
      • 2.Sf3#
    • 1...Qh3
      • 2.Sf3#
    • 1...Ra1
      • 2.d4#
    • 1...Ra2
      • 2.d4#
    • 1...Ra3
      • 2.d4#
    • 1...Rh2
      • 2.f4#
    • 1...Rh3
      • 2.f4#
    • 1...Rh5
      • 2.f4#
    • 1...Rh6
      • 2.f4#
    • 1...Ba2
      • 2.Sd3#
    • 1...Bd3
      • 2.Sxd3#
    • 1...Sc4
      • 2.d4#
    • 1...Sg4
      • 2.f4#
    • 1...b4
      • 2.d4#
    • 1...h5
      • 2.Sg6#
    • 1...h6
      • 2.Sg6#
  • Keys
    • 1.Re3!
      • threat
        • 2.Sc6#
      • 1...Qxe4
        • 2.Sf3#
      • 1...Raxe4
        • 2.d4#
      • 1...Rhxe4
        • 2.f4#
      • 1...Bxe4
        • 2.Sd3#
      • 1...Sdxe4
        • 2.Qb8#
      • 1...Sfxe4
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 19
  • Sets
    • Q(b);N_GUARD::S(A),XQ(b)
    • Q(b);N_GUARD::S(A)
    • R(c);N_GUARD::P(B)
    • R(d);N_GUARD::P(C)
    • B(a);N_GUARD::S(A)
    • B(a);N_GUARD::S(A),XB(a)
    • S(h);S_CUTR(c)::P(B)
    • S(j);S_CUTR(d)::P(C)
    • P(f);S_CUTR(c)::P(B)
    • P(k);N_GUARD::S(J)
  • Actual
    • R(D);
    • Threat
      • S(J)
    • Vars
      • Q(b);N_GUARD,P_SPINQ(b),XP(F)::S(A)
      • R(c);N_GUARD,P_SPINR(c),XP(F)::P(B)
      • R(d);N_GUARD,P_SPINR(d),XP(F)::P(C)
      • B(a);N_GUARD,P_SPINB(a),XP(F)::S(A)
      • S(h);OGATEB,P_SPINS(h),XP(F)::QAB(K)
      • S(j);OGATEB,P_SPINS(j),XP(F)::QAB(K)
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