MESON Chess Problem Database

Problem Display
PID: 216835 (8/8/6K1/4p3/4pk2/4Rr1P/3p2P1/2B4Q w - - 0 1)

Tarrant, F

Land and Water, 1874

(First published on Sat Aug 8 1874)

8/8/6K1/4p3/4pk2/4Rr1P/3p2P1/2B4Q

#2

6 + 5

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...d1Q
      • 2.Rxf3#
    • 1...d1S
      • 2.Rxf3#
    • 1...d1B
      • 2.Rxf3#
    • 1...d1R
      • 2.Rxf3#
  • Tries
    • 1.Qh2+?
      • 1...Rg3+
        • 2.Qxg3#
      • 1...Kxe3!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Rxe4#
      • 1...Rg3+
        • 2.Qxg3#
      • 1...Rxe3
        • 2.Qh4#
      • 1...dxe1Q
        • 2.Rxf3#
      • 1...dxe1S
        • 2.Rxf3#
      • 1...dxe1B
        • 2.Rxf3#
      • 1...dxe1R
        • 2.Rxf3#
      • 1...Rf2
        • 2.Qxf2#
        • 2.g3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 4
  • Sets
    • P(a);::B(A)+R(D),DCHECK,XR(b)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • R(b);CHECK,N_GUARD,P_SPINR(b)::QAB1(B),XR(b)
      • Refutation
        • K(d);P_SPINP(a),S_FLIGHT,XR(D)
  • Actual
    • Q(B);
    • Threat
      • R1(D),XP(c)
    • Vars
      • R(b);CHECK,N_GUARD::QAB1(B),XR(b)
      • R(b);SBLOCK,XR(D)::QAR2(B)
      • P(a);XQ(B)::B(A)+R(D),DCHECK,XR(b)
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