MESON Chess Problem Database

Problem Display
PID: 44888 (6b1/2R5/Q1r2p2/1pNk4/p3N3/2B5/6RK/2n4B w - - 0 1)

Mansfield, Comins

3rd HM., Tidskrift for Schack, 1971

6b1/2R5/Q1r2p2/1pNk4/p3N3/2B5/6RK/2n4B

#2

8 + 7

4054 Complete Mansfield/III 1999

SOLUTION

  • SOUND
  • Tries
    • 1.Rd2+?
      • 1...Kc4
        • 2.Rd4#
      • 1...Sd3!
    • 1.Rd7+?
      • 1...Kc4
        • 2.Rd4#
      • 1...Rd6!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Qxc6#
      • 1...Kxc5
        • 2.Qxc6#
      • 1...Kxd6
        • 2.Qxc6#
      • 1...Rxc5
        • 2.Re2#
      • 1...Rxa6
        • 2.Rd2#
      • 1...Rxd6
        • 2.Rg4#
      • 1...Rxc7
        • 2.Rg5#
      • 1...Rb6
        • 2.Rd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(d);P_SPINP(c),S_FLIGHT::R1(B)
      • Refutation
        • S(a);P_SPINS(a)
    • Try
      • R(H);CHECK
      • Vars
        • K(d);OGATE,P_SPINP(c),S_FLIGHT::R1(H)
      • Refutation
        • R(e);P_SPINR(e)
  • Actual
    • S(E);
    • Threat
      • QAB1(G),XR(e)
    • Vars
      • K(d);P-FLIGHT,P_SPINR(e),XS(F)::QAR1(G),XR(e)
      • K(d);P-FLIGHT,P_SPINR(e),XS(E)::QAR1(G),XR(e)
      • R(e);XS(F)::B(A)+R(B)
      • R(e);XQ(G)::B(A)+R(B),DCHECK
      • R(e);XS(E)::B(A)+R(B)
      • R(e);XR(H)::B(A)+R(B),DCHECK
      • R(e);::B(A)+R(B),DCHECK
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