MESON Chess Problem Database

Problem Display
PID: 81438 (8/7n/1K6/6NB/3pN2p/1Qp1k1P1/2P5/8 w - - 0 1)

Linss, Torsten

4th Comm., Kiss (Janos)-80 JT, 1991

8/7n/1K6/6NB/3pN2p/1Qp1k1P1/2P5/8

#2

7 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Qc4?
      • threat
        • 2.Qe2#
        • 2.Qd3#
      • 1...d3
        • 2.Qxd3#
        • 2.Qc5#
      • 1...hxg3!
    • 1.Qf7?
      • threat
        • 2.Qf2#
        • 2.Qf3#
        • 2.Qf4#
      • 1...Sxg5
        • 2.Qf4#
      • 1...hxg3
        • 2.Qf3#
      • 1...d3
        • 2.Qf2#
      • 1...Sf6!
    • 1.Qa3?
      • threat
        • 2.Qc1#
      • 1...d3
        • 2.Qc5#
      • 1...Sxg5!
    • 1.Qxc3+?
      • 1...d3
        • 2.Qxd3#
        • 2.Qc5#
      • 1...dxc3!
    • 1.Qb5?
      • threat
        • 2.Qe2#
        • 2.Qd3#
      • 1...d3
        • 2.Qxd3#
        • 2.Qc5#
      • 1...hxg3!
  • Keys
    • 1.Qb1!
      • threat
        • 2.Qc1#
        • 2.Qe1#
        • 2.Qg1#
      • 1...Sxg5
        • 2.Qe1#
      • 1...hxg3
        • 2.Qc1#
      • 1...d3
        • 2.Qg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);N_PINP(a)
      • Threat
        • DUALS(2)
      • Refutation
        • P(d);XP(C)
    • Try
      • Q(B);N_PINP(a)
      • Threat
        • DUALS(3)
      • Vars
        • S(e);XS(E)::QAB1(B)
        • P(d);XP(C)::QAR1(B)
        • P(c);::QAB1(B)
      • Refutation
        • S(e);
    • Try
      • Q(B);
      • Threat
        • QAB(B)
      • Vars
        • P(c);N_SPINP(a),OGATEB::QAB(B)
      • Refutation
        • S(e);XS(E)
    • Try
      • Q(B);CHECK,XP(a)
      • Refutation
        • P(c);XQ(B)
    • Try
      • Q(B);N_PINP(a)
      • Threat
        • DUALS(2)
      • Refutation
        • P(d);XP(C)
  • Actual
    • Q(B);N_PINP(a)
    • Threat
      • DUALS(3)
    • Vars
      • S(e);XS(E)::QAR2(B)
      • P(d);XP(C)::QAB(B)
      • P(c);::QAB(B)
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