MESON Chess Problem Database

Problem Display
PID: 7098 (6Q1/2B4B/3R4/1Kp2r2/2p1k3/1pP1p3/R7/3q4 w - - 0 1)

Vandemeulebroucke, Ignaas

Het Belgisch Schaakbord (L'Echiquier Belge), 1998

6Q1/2B4B/3R4/1Kp2r2/2p1k3/1pP1p3/R7/3q4

#2

7 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd1?
      • threat
        • 2.Qd5#
        • 2.Qg2#
        • 2.Qg4#
        • 2.Qa8#
      • 1...Kf3
        • 2.Qg2#
      • 1...e2!
    • 1.Re6+?
      • 1...Kf3
        • 2.Qg2#
        • 2.Qg3#
      • 1...Kd5
        • 2.Re5#
      • 1...Kd3!
    • 1.Qg4+?
      • 1...Ke5
        • 2.Qxf5#
      • 1...Qxg4!
  • Keys
    • 1.Rd3!
      • threat
        • 2.Qd5#
      • 1...Kxd3
        • 2.Qxc4#
      • 1...Kf3
        • 2.Qg2#
      • 1...Qxd3
        • 2.Qg2#
      • 1...cxd3
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);XQ(a)
      • Threat
        • DUALS(4)
      • Vars
        • K(e);N_SPINR(g),S_FLIGHT::QAB1(G)
      • Refutation
        • P(c);
    • Try
      • R(D);CHECK
      • Vars
        • K(e);N_SPINR(g),S_FLIGHT::QAB(G)+R(D),DCHECK
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • Q(G);CHECK
      • Vars
        • K(e);N_SPINR(g),P-FLIGHT::QAR1(G),XR(g)
      • Refutation
        • Q(a);XQ(G)
  • Actual
    • R(D);
    • Threat
      • QAB1(G)
    • Vars
      • K(e);S_FLIGHT,XR(D)::QAB1(G),XP(d)
      • K(e);N_SPINR(g),P_SPINP(c),S_FLIGHT::QAB1(G)
      • Q(a);N_GUARD,SBLOCK,XR(D)::QAB(G)
      • P(d);SBLOCK,XR(D)::QAB(G)
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