MESON Chess Problem Database

Problem Display
PID: 233537 (3rb3/N1b2p2/Rp3Q1K/r2kP3/1R3P2/8/8/4nBB1 w - - 0 1)

Supp, Walter

Freie Presse, 1998

3rb3/N1b2p2/Rp3Q1K/r2kP3/1R3P2/8/8/4nBB1

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Rd4#
    • 1...Rd7
      • 2.Qc6#
    • 1...Bxe5
      • 2.Qxe5#
    • 1...Ba4
      • 2.Qxf7#
    • 1...Bb5
      • 2.Qxf7#
    • 1...Bc6
      • 2.Qxc6#
      • 2.Qxf7#
    • 1...Sc2
      • 2.Bg2#
    • 1...Sg2
      • 2.Bxg2#
    • 1...Sd3
      • 2.Bg2#
  • Tries
    • 1.Bg2+?
      • 1...Sf3
        • 2.Bxf3#
      • 1...Sxg2!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Bc4#
      • 1...Rd6+
        • 2.e6#
      • 1...Bxe5
        • 2.Qxe5#
      • 1...Rc5
        • 2.Rd4#
      • 1...Bb5
        • 2.Qxf7#
      • 1...Sd3
        • 2.Bg2#
      • 1...b5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(b);SBLOCK::R1(C)
    • R(g);S_CUTB(h)::QAB1(G)
    • B(e);OGATE,XP(E)::QAR1(G),XB(e)
    • B(h);N_GUARD::QAB(G),XP(f)
    • S(a);N_GUARD::B(A)
    • S(a);N_GUARD::B(A),XS(a)
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::B(A),XS(a)
      • Refutation
        • S(a);XB(A)
  • Actual
    • Q(G);
    • Threat
      • B(A)
    • Vars
      • R(g);CHECK,SBLOCK,S_CUTB(e)::QAR(G)+P(E)
      • B(e);OGATE,P_SPINB(e),XP(E)::QAR1(G),XB(e)
      • R(b);SBLOCK::R1(C)
      • B(h);N_GUARD::QAB(G),XP(f)
      • S(a);N_GUARD::B(A)
      • P(d);::QAB1(G)
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