MESON Chess Problem Database

Problem Display
PID: 190914 (2nN1nB1/1p3r2/p2pp3/3k1p1p/2pP1P2/2P1R3/8/1QK5 w - - 0 1)

Rothwell, Stephen

Neue Osnabrucker Zeitung, 2001

(First published on Sat Feb 3 2001)

2nN1nB1/1p3r2/p2pp3/3k1p1p/2pP1P2/2P1R3/8/1QK5

#2

8 + 11

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Rf6
      • 2.Qxb7#
    • 1...Rc7
      • 2.Qxf5#
    • 1...Rd7
      • 2.Qxf5#
    • 1...Re7
      • 2.Qxf5#
    • 1...Rg7
      • 2.Qxf5#
    • 1...Rh7
      • 2.Qxf5#
    • 1...Sd7
      • 2.Qxb7#
    • 1...a5
      • 2.Qb5#
    • 1...e5
      • 2.Qxb7#
  • Tries
    • 1.Kb2?
      • threat
        • 2.Qh1#
      • 1...Rg7
        • 2.Qxf5#
      • 1...e5!
    • 1.Kc2?
      • threat
        • 2.Qh1#
      • 1...e5
        • 2.Qxb7#
      • 1...Rg7!
    • 1.Bxf7?
      • threat
        • 2.Qxf5#
        • 2.Qxb7#
      • 1...Sb6
        • 2.Qxf5#
      • 1...Sa7
        • 2.Qxf5#
      • 1...Sg6
        • 2.Bxe6#
        • 2.Qxb7#
      • 1...Sd7
        • 2.Bxe6#
        • 2.Qxb7#
      • 1...b5
        • 2.Qxf5#
      • 1...b6
        • 2.Qxf5#
      • 1...Se7!
    • 1.Qc2?
      • threat
        • 2.Qg2#
      • 1...Rg7
        • 2.Qxf5#
      • 1...e5!
    • 1.Qb2?
      • threat
        • 2.Qg2#
      • 1...e5
        • 2.Qxb7#
      • 1...Rg7!
  • Keys
    • 1.Kd2!
      • threat
        • 2.Qh1#
      • 1...Rg7
        • 2.Qxf5#
      • 1...e5
        • 2.Qxb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • R(i);N_GUARD,P_SPINP(g)::QAB(A),XP(h)
    • R(i);N_GUARD,P_SPINP(g)::QAR2(A),XP(c)
    • S(k);S_CUTR(i)::QAB(A),XP(h)
    • P(e);N_GUARD::QAR2(A)
    • P(g);P_SPINR(i)::QAB(A),XP(h)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • QAB(A)
      • Vars
        • R(i);N_GUARD,P_SPINP(g)::QAR2(A),XP(c)
      • Refutation
        • P(g);P_SPINR(i)
    • Try
      • K(B);P-FLIGHT
      • Threat
        • QAB(A)
      • Vars
        • P(g);P_SPINR(i)::QAB(A),XP(h)
      • Refutation
        • R(i);P_SPINP(g)
    • Try
      • B(H);P_PINP(g),XR(i)
      • Threat
        • DUALS(2)
      • Vars
        • S(j);::QAR2(A),XP(c)
        • P(h);::QAR2(A),XP(c)
      • Refutation
        • S(j);
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Vars
        • R(i);N_GUARD,P_SPINP(g)::QAR2(A),XP(c)
      • Refutation
        • P(g);P_SPINR(i)
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Vars
        • P(g);P_SPINR(i)::QAB(A),XP(h)
      • Refutation
        • R(i);P_SPINP(g)
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • QAB(A)
    • Vars
      • R(i);N_GUARD,P_SPINP(g)::QAR2(A),XP(c)
      • P(g);P_SPINR(i)::QAB(A),XP(h)
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