MESON Chess Problem Database

Problem Display
PID: 37529 (1b6/rQP1pP1B/p2p3n/2n1kp1N/3N3R/6r1/1p6/1K1R4 w - - 0 1)

Schneider, Matthias

2nd Prize, Schweizerische Schachzeitung, 1990

1b6/rQP1pP1B/p2p3n/2n1kp1N/3N3R/6r1/1p6/1K1R4

#2

9 + 11

3454 kunstschach (1987-1996) (Hoffmann) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Se6
      • 2.Sc6#
    • 1...d5
      • 2.cxb8Q#
      • 2.cxb8B#
    • 1...e6
      • 2.Sc6#
  • Tries
    • 1.Sf3+?
      • 1...Rxf3
        • 2.Qd5#
      • 1...Ke6!
    • 1.c8Q?
      • threat
        • 2.Sc6#
      • 1...d5
        • 2.Qcxb8#
      • 1...Rd3
        • 2.Qh8#
      • 1...Rg4
        • 2.Sf3#
      • 1...Sd3
        • 2.Qe6#
      • 1...Sg4
        • 2.Qxf5#
      • 1...Sd7!
  • Keys
    • 1.f8S!
      • threat
        • 2.Sc6#
      • 1...d5
        • 2.cxb8Q#
        • 2.cxb8B#
      • 1...Rd3
        • 2.Sg6#
      • 1...Rg4
        • 2.Sf3#
      • 1...Sd3
        • 2.Sd7#
      • 1...Sg4
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • S(c);SBLOCK::S(C)
    • P(g);::PXB(k)=Q
    • P(j);SBLOCK::S(C)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • R(b);XS(C)::QAR1(F)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • P(G);
      • Threat
        • S(C)
      • Vars
        • P(g);OGATEB::QAB(G),XB(k)
        • R(b);N_GUARD::QAB(G)
        • R(b);N_GUARD::S(C)
        • S(c);N_GUARD::QAR1(G)
        • S(h);N_GUARD::QAR1(G),XP(e)
      • Refutation
        • S(c);
  • Actual
    • P(H);
    • Threat
      • S(C)
    • Vars
      • P(g);::PXB(k)=Q
      • R(b);N_GUARD::S(H)
      • R(b);N_GUARD::S(C)
      • S(c);N_GUARD::S(H)
      • S(h);S_CUTR(b)::S(H)
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