MESON Chess Problem Database

Problem Display
PID: 21223 (4R3/8/2p4K/ppPkp3/2R5/N2n3p/Q6r/4bBBq w - - 0 1)

Mansfield, Comins

Il Cintrato, 1917-1918

4R3/8/2p4K/ppPkp3/2R5/N2n3p/Q6r/4bBBq

#2

8 + 10

4797 A Genius of the Two-mover 1936
3202 Complete Mansfield/I 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Bd2+
      • 2.Rf4#
    • 1...Sxc5
      • 2.Rd4#
    • 1...bxc4
      • 2.Qxc4#
    • 1...e4
      • 2.Rc2#
  • Tries
    • 1.Re6?
      • threat
        • 2.Rd6#
      • 1...Bd2+
        • 2.Rf4#
      • 1...Sxc5
        • 2.Rd4#
      • 1...bxc4
        • 2.Qxc4#
      • 1...e4
        • 2.Rc2#
      • 1...Kxe6!
  • Keys
    • 1.Bxh3!
      • threat
        • 2.Rd8#
      • 1...Rxh3+
        • 2.Rh4#
      • 1...Bd2+
        • 2.Rf4#
      • 1...Sxc5
        • 2.Rd4#
      • 1...bxc4
        • 2.Qxc4#
      • 1...Bh4
        • 2.Be6#
      • 1...e4
        • 2.Rc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);CHECK,S_CUTR(c)::QAB(C)+R(E)
    • S(d);SBLOCK,XP(F)::QAB(C)+R(E),DCHECK
    • P(g);OGATE,P_SPINP(g),XR(E)::QAB1(C),XP(g)
    • P(i);::QAB(C)+R(E)
  • Tries
    • Try
      • R(H);
      • Threat
        • R1(H)
      • Vars
        • B(a);CHECK,S_CUTR(c)::QAB(C)+R(E)
        • S(d);SBLOCK,XP(F)::QAB(C)+R(E),DCHECK
        • P(g);OGATE,P_SPINP(g),XR(E)::QAB1(C),XP(g)
        • P(i);::QAB(C)+R(E)
      • Refutation
        • K(h);S_FLIGHT,XR(H)
  • Actual
    • B(A);P_SPINB(A),XP(e)
    • Threat
      • R(H)
    • Vars
      • R(c);CHECK,N_GUARD,XB(A)::QAB(C)+R(E)
      • B(a);CHECK,S_CUTR(c)::QAB(C)+R(E)
      • S(d);SBLOCK,XP(F)::QAB(C)+R(E),DCHECK
      • P(g);OGATE,P_SPINP(g),XR(E)::QAB1(C),XP(g)
      • B(a);N_PINB(A)::B(A)
      • P(i);::QAB(C)+R(E)
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