MESON Chess Problem Database

Problem Display
PID: 46675 (1r6/1R6/pnpR4/K7/2p1p3/P1kBN3/Q2ppB2/2r1b3 w - - 0 1)

Mosiashvili, Givi

The Problemist, 2003

1r6/1R6/pnpR4/K7/2p1p3/P1kBN3/Q2ppB2/2r1b3

#2

8 + 11

102 Probleemblad 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qc2#
    • 1...Rb1
      • 2.Qc2#
    • 1...Rd1
      • 2.Qc2#
    • 1...Rc2
      • 2.Qxc2#
    • 1...Sa4
      • 2.Qxc4#
    • 1...Sd5
      • 2.Qxc4#
    • 1...Sd7
      • 2.Qxc4#
      • 2.Qb2#
    • 1...Sa8
      • 2.Qxc4#
      • 2.Qb2#
    • 1...Sc8
      • 2.Qxc4#
      • 2.Qb2#
    • 1...d1S
      • 2.Bxe1#
    • 1...d1B
      • 2.Bxe1#
  • Tries
    • 1.Bxc4?
      • threat
        • 2.Qb3#
      • 1...Sxc4+
        • 2.Qxc4#
      • 1...Sd5
        • 2.Qb2#
      • 1...d1B
        • 2.Bxe1#
      • 1...Rb1
        • 2.Qc2#
      • 1...d1Q!
    • 1.Rxb6?
      • threat
        • 2.Qxc4#
        • 2.Qb2#
      • 1...cxd3
        • 2.Rbxc6#
        • 2.Qb3#
        • 2.Qc4#
        • 2.Qb2#
      • 1...d1Q
        • 2.Qb2#
      • 1...d1S
        • 2.Bxe1#
      • 1...d1B
        • 2.Bxe1#
        • 2.Qb2#
      • 1...d1R
        • 2.Qb2#
      • 1...Rb1
        • 2.Qxc4#
        • 2.Qc2#
      • 1...Rc2
        • 2.Qxc4#
        • 2.Qxc2#
      • 1...Rxb6!
  • Keys
    • 1.Sxc4!
      • threat
        • 2.Qb2#
      • 1...Sxc4+
        • 2.Qxc4#
      • 1...exd3
        • 2.Bd4#
      • 1...Sd5
        • 2.Qb3#
      • 1...d1S
        • 2.Bxe1#
      • 1...Rb1
        • 2.Qc2#
      • 1...Rc2
        • 2.Qxc2#
      • 1...Sa4
        • 2.Qb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(a);N_GUARD::QAR1(A)
    • R(a);N_GUARD::QAR1(A),XR(a)
    • S(i);N_GUARD::QAR1(A),XP(f)
    • P(c);OGATEB::B(B),XB(b)
  • Tries
    • Try
      • B(D);XP(f)
      • Threat
        • QAR1(A)
      • Vars
        • S(i);CHECK,OGATE,XB(D)::QAR1(A),XS(i)
        • S(i);::QAB1(A)
        • P(c);OGATEB::B(B),XB(b)
        • R(a);N_GUARD::QAR1(A)
      • Refutation
        • P(c);
    • Try
      • R(H);XS(i)
      • Threat
        • DUALS(2)
      • Vars
        • P(c);::QAB1(A)
        • P(c);OGATEB::B(B),XB(b)
      • Refutation
        • R(k);XR(H)
  • Actual
    • S(E);XP(f)
    • Threat
      • QAB1(A)
    • Vars
      • S(i);CHECK,OGATE,XS(E)::QAR1(A),XS(i)
      • P(g);SBLOCK,XB(D)::B(B)
      • S(i);::QAR1(A)
      • P(c);OGATEB::B(B),XB(b)
      • R(a);N_GUARD::QAR1(A)
      • R(a);N_GUARD::QAR1(A),XR(a)
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