MESON Chess Problem Database

Problem Display
PID: 40359 (8/Bb2r1N1/1pp2p2/2k1P1Q1/P2b3R/KBp3q1/3PrN2/8 w - - 0 1)

Dawson, Thomas Rayner

Reveille, 1941

8/Bb2r1N1/1pp2p2/2k1P1Q1/P2b3R/KBp3q1/3PrN2/8

#2

10 + 10

3979 Systematic Terminology 1984
15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qh2
      • 2.Sd3#
    • 1...Qf4
      • 2.Sd3#
    • 1...Qxh4
      • 2.Sd3#
    • 1...Qg1
      • 2.Sd3#
    • 1...Qg2
      • 2.Sd3#
    • 1...Qd3
      • 2.Sxd3#
    • 1...Qg4
      • 2.Sd3#
    • 1...Qxg5
      • 2.Sd3#
    • 1...Rxd2
      • 2.Se4#
    • 1...Re4
      • 2.Sxe4#
    • 1...R2xe5
      • 2.Se4#
    • 1...Re6
      • 2.Sxe6#
    • 1...Rc7
      • 2.Se6#
    • 1...Rd7
      • 2.Se6#
    • 1...Rf7
      • 2.Se6#
    • 1...Be3
      • 2.Sd3#
    • 1...fxe5
      • 2.Qxe7#
    • 1...f5
      • 2.Qxe7#
  • Keys
    • 1.Bb8!
      • threat
        • 2.Bd6#
      • 1...Qxe5
        • 2.Sd3#
      • 1...R2xe5
        • 2.Se4#
      • 1...R7xe5
        • 2.Se6#
      • 1...Bxe5
        • 2.d4#
      • 1...fxe5
        • 2.Qxe7#
      • 1...b5
        • 2.Ba7#
      • 1...Re6
        • 2.Sxe6#
      • 1...Rc7
        • 2.Se6#
      • 1...Rd7
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 13
  • Sets
    • Q(c);N_GUARD::S(B)
    • Q(c);N_GUARD,XR(F)::S(B)
    • Q(c);N_GUARD::S(B),XQ(c)
    • Q(c);N_GUARD,XQ(H)::S(B)
    • R(a);N_GUARD,XP(A)::S(B)
    • R(a);N_GUARD::S(B),XR(a)
    • R(a);N_GUARD,P_SPINR(a),XP(G)::S(B)
    • R(j);N_GUARD::S(J),XR(j)
    • R(j);N_GUARD::S(J)
    • B(d);S_CUTQ(c)::S(B)
    • P(h);N_SPINP(f),OGATE,P_SPINP(h),XP(G)::QAB(H),XR(j)
    • P(h);OGATE::QAB(H),XR(j)
  • Actual
    • B(I);N_PINP(f)
    • Threat
      • B(I)
    • Vars
      • Q(c);N_GUARD,P_SPINQ(c),XP(G)::S(B)
      • R(a);N_GUARD,P_SPINR(a),XP(G)::S(B)
      • R(j);N_GUARD,P_SPINR(j),XP(G)::S(J)
      • B(d);OGATE,P_SPINB(d),XP(G)::P(A)
      • P(h);OGATE,P_SPINP(h),XP(G)::QAB(H),XR(j)
      • P(f);OGATEB::B(I)
      • R(j);N_GUARD::S(J),XR(j)
      • R(j);N_GUARD::S(J)
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