MESON Chess Problem Database

Problem Display
PID: 100880 (R2N1Q2/b1p5/n1P5/k1r5/P1B5/3P4/1B1P4/RK6 w - - 0 1)

Corrias, Antonio G

Good Companions (March), 1917

R2N1Q2/b1p5/n1P5/k1r5/P1B5/3P4/1B1P4/RK6

#2

11 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kb4
      • 2.Bc3#
    • 1...Bb6
      • 2.Bc3#
    • 1...Bb8
      • 2.Qxc5#
    • 1...Sb4
      • 2.Qxc5#
    • 1...Sb8
      • 2.Qxc5#
  • Tries
    • 1.Sb7+?
      • 1...Kb4
        • 2.Bc3#
      • 1...Kb6!
    • 1.Bc3+?
      • 1...Sb4
        • 2.Qxc5#
      • 1...Kb6!
  • Keys
    • 1.Bd4!
      • 1...Rb5+
        • 2.axb5#
      • 1...Kb4
        • 2.Bc3#
      • 1...Kb6
        • 2.a5#
      • 1...Rxc4
        • 2.Sb7#
      • 1...Rxc6
        • 2.Sxc6#
        • 2.Sb7#
      • 1...Rd5
        • 2.Sb7#
      • 1...Re5
        • 2.Sb7#
      • 1...Rf5
        • 2.Sb7#
      • 1...Rg5
        • 2.Sb7#
      • 1...Rh5
        • 2.Sb7#
      • 1...Bb6
        • 2.Bc3#
      • 1...Bb8
        • 2.Qxc5#
      • 1...Sb4
        • 2.Qxc5#
      • 1...Sb8
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(a);P_SPINR(b),S_FLIGHT::B(C)
    • B(d);P_SPINS(c),SBLOCK::B(C)
    • B(d);N_GUARD,P_SPINS(c)::QAR2(K),XR(b)
    • S(c);N_GUARD,P_SPINB(d)::QAR2(K),XR(b)
  • Tries
    • Try
      • S(J);CHECK
      • Vars
        • K(a);P_SPINR(b),S_FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • S(c);P_SPINB(d),P_SPINS(c)::QAR2(K),XR(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • R(b);CHECK,OGATE::R(A)+P(F),XR(b)
      • K(a);P_SPINR(b),S_FLIGHT::B(C)
      • K(a);OGATE,P_SPINR(b),S_FLIGHT::P(F)
      • R(b);XB(G)::S(J)
      • R(b);::S(J)
      • R(b);SBLOCK::S(J)
      • B(d);P_SPINS(c),SBLOCK::B(C)
      • B(d);N_GUARD,P_SPINS(c)::QAR2(K),XR(b)
      • S(c);N_GUARD,P_SPINB(d)::QAR2(K),XR(b)
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Developed and maintained by Brian Stephenson.
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