MESON Chess Problem Database

Problem Display
PID: 17695 (B4R2/5q2/3p2Rn/4pkpP/2N5/2pr2Pb/Kb1B4/3Q4 w - - 0 1)

Mansfield, Comins

Stratford Express, 1948

B4R2/5q2/3p2Rn/4pkpP/2N5/2pr2Pb/Kb1B4/3Q4

#2

9 + 10

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Qf6
      • 2.Rgxf6#
      • 2.Rfxf6#
    • 1...Rxd2
      • 2.Qf3#
    • 1...Rf3
      • 2.Qxf3#
    • 1...Rd5
      • 2.Qf3#
    • 1...d5
      • 2.Sd6#
  • Tries
    • 1.Rxh6?
      • threat
        • 2.Rxf7#
      • 1...Qf6
        • 2.Rhxf6#
        • 2.Rfxf6#
      • 1...Rf3
        • 2.Qxf3#
      • 1...Rd5
        • 2.Qf3#
      • 1...d5
        • 2.Sd6#
      • 1...Qxf8!
    • 1.Qf1+?
      • 1...Kg4
        • 2.Rxg5#
      • 1...Rf3
        • 2.Qxf3#
      • 1...Bxf1!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qd7#
      • 1...Kg4
        • 2.Rxg5#
      • 1...Rd5
        • 2.Se3#
      • 1...d5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(c);N_GUARD,XB(C)::QAR2(A)
    • R(c);N_GUARD::QAR2(A),XR(c)
    • R(c);N_GUARD,N_PINS(E)::QAR2(A)
    • P(h);N_PINS(E)::S(E)
  • Tries
    • Try
      • R(G);XS(i)
      • Threat
        • R(I),XQ(j)
      • Vars
        • R(c);N_GUARD::QAR2(A),XR(c)
        • R(c);N_GUARD,N_PINS(E)::QAR2(A)
        • P(h);N_PINS(E)::S(E)
      • Refutation
        • Q(j);N_PINS(E),N_SPINQ(j),XR(I)
    • Try
      • Q(A);CHECK
      • Vars
        • K(f);N_SPINQ(j),P_SPINP(g),S_FLIGHT::R1(G),XP(g)
        • R(c);N_GUARD,P_SPINR(c)::QAR2(A),XR(c)
      • Refutation
        • B(d);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • K(f);N_SPINQ(j),P_SPINP(g),S_FLIGHT::R1(G),XP(g)
      • R(c);N_PINS(E)::S(E)
      • P(h);N_PINS(E)::S(E)
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