MESON Chess Problem Database

Problem Display
PID: 57685 (2BnQ3/1ppRnp1p/1P1q1b1R/3kP3/N2N4/2BK4/8/8 w - - 0 1)

Rowland, Thomas B

British Chess Magazine, 1883

2BnQ3/1ppRnp1p/1P1q1b1R/3kP3/N2N4/2BK4/8/8

#2

10 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd6+?
      • 1...cxd6
        • 2.Qb5#
      • 1...Kxe5!
  • Keys
    • 1.Sc2!
      • 1...Kc6+
        • 2.Rxd6#
      • 1...Ke6+
        • 2.Rxd6#
      • 1...Qxd7
        • 2.Qxd7#
      • 1...Bxe5
        • 2.Sb4#
      • 1...Sxc8
        • 2.Sb4#
      • 1...cxb6
        • 2.Rxd6#
      • 1...Bh4
        • 2.Sb4#
      • 1...Bg5
        • 2.Sb4#
      • 1...Bg7
        • 2.Sb4#
      • 1...Bh8
        • 2.Sb4#
      • 1...Sf5
        • 2.Sb4#
      • 1...Sec6
        • 2.Se3#
      • 1...Sg6
        • 2.Sb4#
      • 1...Sg8
        • 2.Sb4#
      • 1...Sdc6
        • 2.Qxf7#
      • 1...Se6
        • 2.Sb4#
      • 1...c5
        • 2.Rxd6#
      • 1...c6
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 18
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(H);CHECK,XQ(b)
      • Vars
        • P(e);XR(H)::QAR2(J)
      • Refutation
        • K(a);P-FLIGHT,P_SPINS(f),XP(E)
  • Actual
    • S(D);
    • Vars
      • K(a);CHECK,N_SPINQ(b),S_FLIGHT::QAB(J)+R(H),DCHECK,XQ(b)
      • K(a);CHECK,N_SPINQ(b),P_SPINB(c),P_SPINS(f),S_FLIGHT::B(I)+R(H),DCHECK,XQ(b)
      • Q(b);N_SPINQ(b),OGATE,XR(H)::QAR2(J),XQ(b)
      • B(c);XP(E)::S(D)
      • S(f);XB(I)::S(D)
      • P(e);N_GUARD,XP(F)::R1(H),XQ(b)
      • B(c);::S(D)
      • S(f);::S(D)
      • S(f);SBLOCK::S(D)
      • S(i);N_GUARD,SBLOCK::QAB(J),XP(g)
      • S(i);SBLOCK::S(D)
      • P(e);N_GUARD::R1(H),XQ(b)
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