MESON Chess Problem Database

Problem Display
PID: 124411 (8/8/2bq4/3np1r1/6P1/1QPk1P2/8/2B1R1K1 w - - 0 1)

Toupin, M

L'Opinion Publique, 1877

8/8/2bq4/3np1r1/6P1/1QPk1P2/8/2B1R1K1

#2

7 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Rxe3#
    • 1...Sb4
      • 2.Re3#
    • 1...Sf4
      • 2.Re3#
    • 1...Sb6
      • 2.Re3#
    • 1...Sf6
      • 2.Re3#
    • 1...Sc7
      • 2.Re3#
    • 1...Se7
      • 2.Re3#
  • Tries
    • 1.Kf2?
      • threat
        • 2.Rd1#
      • 1...Se3
        • 2.Rxe3#
      • 1...Qc5+!
  • Keys
    • 1.Kf1!
      • threat
        • 2.Rd1#
      • 1...Se3+
        • 2.Rxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • S(b);N_GUARD::R1(B),XS(b)
    • S(b);N_GUARD::R1(B)
  • Tries
    • Try
      • K(C);N_SPINP(G),S_FLIGHT
      • Threat
        • R(B)
      • Vars
        • S(b);N_GUARD::R1(B),XS(b)
      • Refutation
        • Q(f);CHECK
  • Actual
    • K(C);N_SPINP(G),P-FLIGHT
    • Threat
      • R(B)
    • Vars
      • S(b);CHECK,N_GUARD::R1(B),XS(b)
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