MESON Chess Problem Database

Problem Display
PID: 186995 (1b1Bb3/pR1p2N1/n2k3r/7p/B3P3/2Q1p3/1p1r4/1Kn5 w - - 0 1)

Supp, Walter

Die Welt, 2000

(First published on Fri Sep 15 2000)

1b1Bb3/pR1p2N1/n2k3r/7p/B3P3/2Q1p3/1p1r4/1Kn5

#2

7 + 12

15391 Problemschach-Jahrbuch (2000) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Rc2
      • 2.Qd4#
    • 1...Re2
      • 2.Qd4#
    • 1...Rf2
      • 2.Qd4#
    • 1...Rg2
      • 2.Qd4#
    • 1...Rh2
      • 2.Qd4#
    • 1...Rd4
      • 2.Qxd4#
    • 1...Re6
      • 2.Sf5#
    • 1...Bg6
      • 2.Rxd7#
    • 1...Bf7
      • 2.Rxd7#
    • 1...Sd3
      • 2.Qd4#
  • Tries
    • 1.Qa5?
      • threat
        • 2.e5#
      • 1...Rd5
        • 2.Qxd5#
      • 1...Re6
        • 2.Sf5#
      • 1...Bg6
        • 2.Rxd7#
      • 1...Sd3
        • 2.Qd5#
      • 1...Sc5!
  • Keys
    • 1.Rb5!
      • threat
        • 2.e5#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Rd5
        • 2.Rxd5#
      • 1...Re6
        • 2.Sf5#
      • 1...Bg6
        • 2.Qf6#
      • 1...Sd3
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • R(c);N_GUARD::QAR2(B)
    • R(c);N_GUARD::QAR2(B),XR(c)
    • R(h);SBLOCK::S(F)
    • B(l);N_GUARD,P_PINP(D)::R1(E),XP(j)
    • B(l);N_GUARD::R1(E),XP(j)
    • S(a);S_CUTR(c)::QAR2(B)
  • Tries
    • Try
      • Q(B);
      • Threat
        • P(D)
      • Vars
        • R(c);N_GUARD::QAR1(B),XR(c)
        • R(h);SBLOCK::S(F)
        • B(l);N_GUARD,P_PINP(D)::R1(E),XP(j)
        • S(a);S_CUTR(c)::QAR1(B)
      • Refutation
        • S(f);
  • Actual
    • R(E);
    • Threat
      • P(D)
    • Vars
      • S(f);N_GUARD::QAB1(B),XS(f)
      • R(c);N_GUARD::R1(E),XR(c)
      • R(h);SBLOCK::S(F)
      • B(l);P_PINP(D),S_CUTR(h)::QAR2(B)
      • S(a);S_CUTR(c)::R1(E)
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