MESON Chess Problem Database

Problem Display
PID: 276115 (2k2N1R/2PN4/8/B7/p5RK/7Q/bn4B1/br1r4 w - - 0 1)

Gorislavski, Mikhail

Mat, 1981

2k2N1R/2PN4/8/B7/p5RK/7Q/bn4B1/br1r4

#2

9 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Sg6+?
      • 1...Kxd7
        • 2.Rd4#
      • 1...Bg8!
    • 1.Sh7+?
      • 1...Bg8
        • 2.Rgxg8#
      • 1...Kxd7!
    • 1.Rb4?
      • threat
        • 2.Bb7#
        • 2.Rb8#
      • 1...Rd5
        • 2.Sg6#
        • 2.Sh7#
        • 2.Rb8#
      • 1...Bd5
        • 2.Rb8#
      • 1...Sd3
        • 2.Bb7#
      • 1...Sc4
        • 2.Bb7#
      • 1...Rd4+!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Bb7#
      • 1...Rd5
        • 2.Sfd7#
      • 1...Bd5
        • 2.Sfe6#
      • 1...Sd3
        • 2.Rc4#
      • 1...Sc4
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(g);S_FLIGHT,XS(G)::QAB(B)+R(C),DCHECK
      • Refutation
        • B(d);P_SPINB(d)
    • Try
      • S(H);CHECK
      • Vars
        • B(d);N_GUARD,P_SPINB(d)::R(C),XB(d)
      • Refutation
        • K(g);S_FLIGHT,XS(G)
    • Try
      • R(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(d);::R1(C)
        • S(e);::B(A)
      • Refutation
        • R(c);CHECK
  • Actual
    • S(G);
    • Threat
      • B(A)
    • Vars
      • R(c);S_CUTB(d)::R(I)+S(H)
      • B(d);S_CUTR(c)::R(I)+S(H)
      • S(e);S_CUTR(c)::QAB(B)+R(C)
      • S(e);S_CUTB(d)::QAB(B)+R(C)
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