MESON Chess Problem Database

Problem Display
PID: 267909 (8/7p/1p1K2p1/2Pb4/2pk1P2/r1q3Q1/1P2PN2/1Bn1R1B1 w - - 0 1)

Animitsa, Khristofor Savvich

Mat, 1980

8/7p/1p1K2p1/2Pb4/2pk1P2/r1q3Q1/1P2PN2/1Bn1R1B1

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qxc3#
      • 2.bxc3#
    • 1...Ra2
      • 2.Qxc3#
      • 2.bxc3#
    • 1...Ra4
      • 2.Qxc3#
      • 2.bxc3#
    • 1...Ra5
      • 2.Qxc3#
      • 2.bxc3#
    • 1...Ra6
      • 2.Qxc3#
      • 2.bxc3#
    • 1...Ra7
      • 2.Qxc3#
      • 2.bxc3#
    • 1...Ra8
      • 2.Qxc3#
      • 2.bxc3#
    • 1...Be4
      • 2.Sd3#
    • 1...Sb3
      • 2.Qxc3#
      • 2.bxc3#
    • 1...Sd3
      • 2.e3#
  • Tries
    • 1.Rd1+?
      • 1...Qd3
        • 2.e3#
      • 1...Sd3
        • 2.e3#
      • 1...Qd2!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qe5#
      • 1...Ke3
        • 2.Se4#
      • 1...Qe3
        • 2.Qxd5#
      • 1...Be4
        • 2.Sd3#
      • 1...Sd3
        • 2.e3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(f);SBLOCK::B(C)+S(F)
    • S(a);S_CUTQ(c)::P(E)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • Q(c);P_SPINQ(c)::P(E)
        • S(a);P_SPINS(a)::P(E)
      • Refutation
        • Q(c);P_SPINQ(c)
  • Actual
    • Q(G);
    • Threat
      • QAB1(G)
    • Vars
      • K(e);S_CUTQ(c),S_FLIGHT::B(C)+S(F)
      • Q(c);SBLOCK::QAR1(G),XB(f)
      • B(f);SBLOCK::B(C)+S(F)
      • S(a);S_CUTQ(c)::P(E)
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Developed and maintained by Brian Stephenson.
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