MESON Chess Problem Database

Problem Display
PID: 80003 (8/8/2K1Q3/2P5/1kN1p3/4p3/R1P1N3/brrb4 w - - 0 1)

Savournin, Jacques

Themes-64, 1963

8/8/2K1Q3/2P5/1kN1p3/4p3/R1P1N3/brrb4

#2

7 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Kd5?
      • threat
        • 2.Qb6#
      • 1...Kb5
        • 2.Qb6#
      • 1...Bxe2!
    • 1.Sb6?
      • threat
        • 2.Ra4#
        • 2.Qc4#
      • 1...Rxc2
        • 2.Ra4#
      • 1...Bxc2
        • 2.Qc4#
      • 1...Bxe2!
  • Keys
    • 1.Sb2!
      • threat
        • 2.Ra4#
        • 2.Qb3#
        • 2.Qc4#
        • 2.Qxe4#
      • 1...Rxb2
        • 2.Qxe4#
      • 1...Rxc2
        • 2.Ra4#
      • 1...Bxb2
        • 2.Qb3#
      • 1...Bxc2
        • 2.Qc4#
      • 1...Bxe2
        • 2.Qb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(F);S_FLIGHT
      • Threat
        • QAR2(G)
      • Vars
        • K(f);P-FLIGHT::QAR1(G)
      • Refutation
        • B(d);XS(C)
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • R(c);P_PINP(E),XP(B)::R1(A)
        • B(d);XP(B)::QAR1(G)
      • Refutation
        • B(d);XS(C)
  • Actual
    • S(D);
    • Threat
      • DUALS(4)
    • Vars
      • R(b);XS(D)::QAR(G),XP(g)
      • R(c);P_PINP(E),XP(B)::R1(A)
      • B(a);XS(D)::QAR1(G)
      • B(d);XP(B)::QAR1(G)
      • B(d);XS(C)::QAR1(G)
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