MESON Chess Problem Database

Problem Display
PID: 50309 (4k2r/1R6/1Kp2p2/1b1Rp1B1/2Q5/8/8/4r3 w k - 0 1)

Dyachuk, Vasyl Vasilovich

Comm., Die Schwalbe, 2000

4k2r/1R6/1Kp2p2/1b1Rp1B1/2Q5/8/8/4r3

#2

5 + 7

23 Die Schwalbe 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Kf8
      • 2.Rd8#
    • 1...cxd5
      • 2.Qc8#
    • 1...f5
      • 2.Rd8#
  • Tries
    • 1.Bxf6?
      • threat
        • 2.Rd8#
      • 1...Kf8
        • 2.Rd8#
      • 1...0-0
        • 2.Qg4#
      • 1...cxd5
        • 2.Qc8#
      • 1...Rd1!
    • 1.Rd2?
      • threat
        • 2.Qf7#
      • 1...Kf8
        • 2.Rd8#
        • 2.Qf7#
      • 1...Rh7
        • 2.Qg8#
      • 1...Rf8
        • 2.Qe6#
      • 1...Bxc4!
    • 1.Rd3?
      • threat
        • 2.Qf7#
      • 1...Kf8
        • 2.Rd8#
        • 2.Qf7#
      • 1...Rh7
        • 2.Qg8#
      • 1...Rf8
        • 2.Qe6#
      • 1...Bxc4!
    • 1.Rd6?
      • threat
        • 2.Qf7#
      • 1...Kf8
        • 2.Rd8#
        • 2.Qf7#
      • 1...Rh7
        • 2.Qg8#
      • 1...Rf8
        • 2.Qe6#
      • 1...Bxc4!
    • 1.Rdd7?
      • threat
        • 2.Qf7#
      • 1...Kf8
        • 2.Rb8#
        • 2.Rd8#
        • 2.Qf7#
      • 1...Rh7
        • 2.Qg8#
      • 1...Rf8
        • 2.Qe6#
      • 1...Bxc4!
    • 1.Qxc6+?
      • 1...Kf8
        • 2.Rd8#
      • 1...Bxc6!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qc8#
      • 1...Kf8
        • 2.Rd8#
        • 2.Qc8#
      • 1...0-0
        • 2.Bxf6#
      • 1...f5
        • 2.Rd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • K(f);P-FLIGHT::R(B)
    • P(d);OGATE,XR(B)::QAR2(A)
    • P(e);::R1(B)
  • Tries
    • Try
      • B(C);XP(e)
      • Threat
        • R1(B)
      • Vars
        • K(f);P-FLIGHT::R(B)
        • K(f);0-0,OGATEB::QAR(A)
        • P(d);OGATE,XR(B)::QAR2(A)
      • Refutation
        • R(a);
    • Try
      • R(B);
      • Threat
        • QAB1(A)
      • Vars
        • R(g);N_GUARD::QAR2(A)
        • R(g);SBLOCK::QAR2(A)
      • Refutation
        • B(b);XQ(A)
    • Try
      • R(B);
      • Threat
        • QAB1(A)
      • Vars
        • R(g);N_GUARD::QAR2(A)
        • R(g);SBLOCK::QAR2(A)
      • Refutation
        • B(b);XQ(A)
    • Try
      • R(B);
      • Threat
        • QAB1(A)
      • Vars
        • R(g);N_GUARD::QAR2(A)
        • R(g);SBLOCK::QAR2(A)
      • Refutation
        • B(b);XQ(A)
    • Try
      • R(B);
      • Threat
        • QAB1(A)
      • Vars
        • R(g);N_GUARD::QAR2(A)
        • R(g);SBLOCK::QAR2(A)
      • Refutation
        • B(b);XQ(A)
    • Try
      • Q(A);CHECK,XP(d)
      • Vars
        • K(f);P-FLIGHT::R(B)
      • Refutation
        • B(b);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAR2(A)
    • Vars
      • K(f);0-0,OGATEB::QAR(A)+B(C),XP(e)
      • P(e);::R1(B)
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Developed and maintained by Brian Stephenson.
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