MESON Chess Problem Database

Problem Display
PID: 18263 (R5Bk/1p4N1/1P1P1NKB/3QP3/3p2P1/3P4/1br5/r7 w - - 0 1)

Mansfield, Comins

The Tablet, 1954

(First published on Sat May 15 1954)

R5Bk/1p4N1/1P1P1NKB/3QP3/3p2P1/3P4/1br5/r7

#2

12 + 6

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Tries
    • 1.Be6+?
      • 1...Rc8
        • 2.Rxc8#
      • 1...Rxa8!
    • 1.Bf7+?
      • 1...Rc8
        • 2.Rxc8#
      • 1...Rxa8!
    • 1.Bh7+?
      • 1...Rc8
        • 2.Rxc8#
      • 1...Rxa8!
  • Keys
    • 1.Qh1!
      • 1...Rxh1
        • 2.Bc4#
      • 1...Rxa8
        • 2.Bd2#
      • 1...Rb1
        • 2.Bc4#
      • 1...Rac1
        • 2.Bc4#
      • 1...Rd1
        • 2.Bc4#
      • 1...Re1
        • 2.Bc4#
      • 1...Rf1
        • 2.Bc4#
      • 1...Rg1
        • 2.Bc4#
      • 1...Ra2
        • 2.Bd2#
      • 1...Ra3
        • 2.Bd2#
      • 1...Ra4
        • 2.Bd2#
      • 1...Ra5
        • 2.Bd2#
      • 1...Ra6
        • 2.Bd2#
      • 1...Ra7
        • 2.Bd2#
      • 1...Rcc1
        • 2.Bxc1#
      • 1...Rd2
        • 2.Ba2#
      • 1...Re2
        • 2.Ba2#
      • 1...Rf2
        • 2.Ba2#
      • 1...Rg2
        • 2.Ba2#
      • 1...Rh2
        • 2.Ba2#
      • 1...Rc3
        • 2.Bc1#
      • 1...Rc4
        • 2.Bc1#
      • 1...Rc5
        • 2.Bc1#
      • 1...Rc6
        • 2.Bc1#
      • 1...Rc7
        • 2.Bc1#
      • 1...Rc8
        • 2.Bc1#
      • 1...Bc1
        • 2.Bd2#
      • 1...Ba3
        • 2.Bc4#
      • 1...Bc3
        • 2.Ba2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 29
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(L);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::R(K),XR(c)
      • Refutation
        • R(a);XR(K)
    • Try
      • B(L);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::R(K),XR(c)
      • Refutation
        • R(a);XR(K)
    • Try
      • B(L);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::R(K),XR(c)
      • Refutation
        • R(a);XR(K)
  • Actual
    • Q(C);
    • Vars
      • R(a);N_GUARD,XQ(C)::R(K)+B(L)
      • R(a);N_GUARD,SBLOCK,XR(K)::QAR(C)+B(I)
      • R(a);N_GUARD::R(K)+B(L)
      • R(a);N_GUARD,P_PINP(B)::R(K)+B(L)
      • R(a);N_GUARD::QAR(C)+B(I)
      • R(c);N_GUARD::QAR(C)+B(I),XR(c)
      • R(c);N_GUARD::R(K)+B(L)
      • R(c);N_GUARD,P_PINP(B)::R(K)+B(L)
      • R(c);N_GUARD::QAR(C)+B(I)
      • B(b);S_CUTR(a)::QAR(C)+B(I)
      • B(b);S_CUTR(a)::R(K)+B(L)
      • B(b);S_CUTR(c)::R(K)+B(L)
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