MESON Chess Problem Database

Problem Display
PID: 37611 (4Q2K/1p3N1n/1p1B4/q2kN1p1/2p3R1/2prp3/8/8 w - - 0 1)

Schonholzer, Andreas

2nd Comm., Schweizerische Schachzeitung, 1996-1997

4Q2K/1p3N1n/1p1B4/q2kN1p1/2p3R1/2prp3/8/8

#2

6 + 10

3454 kunstschach (1987-1996) (Hoffmann) 2001

SOLUTION

  • SOUND
  • Tries
    • 1.Sxd3?
      • threat
        • 2.Qe4#
      • 1...Qa8
        • 2.Sb4#
      • 1...Sf6!
    • 1.Sf3?
      • threat
        • 2.Qe4#
      • 1...Rd4
        • 2.Rxd4#
      • 1...Sf6
        • 2.Rxg5#
      • 1...Qa8!
    • 1.Sxc4?
      • threat
        • 2.Qe4#
      • 1...Rd4
        • 2.Sxe3#
      • 1...Qa8
        • 2.Sxb6#
      • 1...Sf6!
    • 1.Sd7?
      • threat
        • 2.Qe4#
      • 1...Kc6
        • 2.Sf6#
      • 1...Qa8
        • 2.Sxb6#
      • 1...Sf6
        • 2.Sxf6#
      • 1...Rd4!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qe4#
      • 1...Qa8
        • 2.Sb4#
      • 1...Rd4
        • 2.Rxd4#
      • 1...Sf6
        • 2.Rxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);XR(b)
      • Threat
        • QAB1(E)
      • Vars
        • Q(e);N_GUARD,P_PINQ(E)::S(B)
      • Refutation
        • S(j);
    • Try
      • S(B);
      • Threat
        • QAB1(E)
      • Vars
        • R(b);N_GUARD::R1(A),XR(b)
        • S(j);N_GUARD::R(A),XP(g)
      • Refutation
        • Q(e);P_PINQ(E)
    • Try
      • S(B);XP(d)
      • Threat
        • QAB1(E)
      • Vars
        • R(b);N_GUARD::S(B),XP(c)
        • Q(e);N_GUARD,P_PINQ(E)::S(B),XP(h)
      • Refutation
        • S(j);
    • Try
      • S(B);
      • Threat
        • QAB1(E)
      • Vars
        • K(f);S_FLIGHT::QAB(E)+S(B)
        • Q(e);N_GUARD,P_PINQ(E)::S(B),XP(h)
        • S(j);N_GUARD::S(B),XS(j)
      • Refutation
        • R(b);
  • Actual
    • S(B);
    • Threat
      • QAB1(E)
    • Vars
      • Q(e);N_GUARD,P_PINQ(E)::S(B)
      • R(b);N_GUARD::R1(A),XR(b)
      • S(j);N_GUARD::R(A),XP(g)
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