MESON Chess Problem Database

Problem Display
PID: 248116 (1N1r2B1/2B1bN2/1qr2p2/2pk1p1R/1pp1R2n/4P3/1P6/1Q1K4 w - - 0 1)

Rietveld, Johannes Jacob

Comm., White MT (A), 1952-1953

1N1r2B1/2B1bN2/1qr2p2/2pk1p1R/1pp1R2n/4P3/1P6/1Q1K4

#2

10 + 11

14867 BCPS Library 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Sxd6#
    • 1...Rd7
      • 2.Sd6#
    • 1...Bd6
      • 2.Sxd8#
    • 1...Bf8
      • 2.Sd6#
    • 1...Sg2
      • 2.Rxf5#
    • 1...c3
      • 2.Qd3#
  • Tries
    • 1.Rd4+?
      • 1...Ke6
        • 2.Sg5#
        • 2.Sxd8#
      • 1...cxd4!
    • 1.Rf4?
      • threat
        • 2.Qe4#
      • 1...Ke6+
        • 2.Sxd8#
      • 1...Re6!
    • 1.Rg4?
      • threat
        • 2.Qe4#
      • 1...Ke6+
        • 2.Sxd8#
      • 1...Re6!
    • 1.Rexh4?
      • threat
        • 2.Qe4#
        • 2.Qxf5#
      • 1...Ke6+
        • 2.Sxd8#
      • 1...Qxc7
        • 2.Qe4#
      • 1...Bd6
        • 2.Qe4#
      • 1...Re6!
    • 1.Re6?
      • threat
        • 2.Qe4#
      • 1...Kxe6+
        • 2.Sxd8#
      • 1...Rxe6!
  • Keys
    • 1.Rxc4!
      • threat
        • 2.Qe4#
      • 1...Kxc4+
        • 2.Sd6#
      • 1...Ke6+
        • 2.Sxd8#
      • 1...Re6
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • R(k);N_GUARD::B(J)+S(H),XR(k)
    • R(k);N_GUARD::B(J)+S(H)
    • B(j);S_CUTR(h)::B(J)+S(H),XR(k)
    • B(j);S_CUTR(k)::B(J)+S(H)
    • S(c);N_GUARD::R(F),XP(f)
    • P(b);N_GUARD::QAR2(A)
  • Tries
    • Try
      • R(E);CHECK
      • Refutation
        • P(d);XR(E)
    • Try
      • R(E);
      • Threat
        • QAB1(A)
      • Vars
        • K(e);CHECK,N_SPINP(f),S_FLIGHT::B(J)+S(H),DCHECK,XR(k)
      • Refutation
        • R(h);
    • Try
      • R(E);
      • Threat
        • QAB1(A)
      • Vars
        • K(e);CHECK,N_SPINP(f),S_FLIGHT::B(J)+S(H),DCHECK,XR(k)
      • Refutation
        • R(h);
    • Try
      • R(E);XS(c)
      • Threat
        • DUALS(2)
      • Vars
        • K(e);CHECK,N_SPINP(f),S_FLIGHT::B(J)+S(H),DCHECK,XR(k)
        • Q(g);XB(G)::QAB1(A)
        • B(j);::QAB1(A)
      • Refutation
        • R(h);
    • Try
      • R(E);
      • Threat
        • QAB1(A)
      • Vars
        • K(e);CHECK,N_SPINP(f),S_FLIGHT,XR(E)::B(J)+S(H),DCHECK,XR(k)
      • Refutation
        • R(h);XR(E)
  • Actual
    • R(E);XP(b)
    • Threat
      • QAB1(A)
    • Vars
      • K(e);CHECK,N_SPINP(f),S_FLIGHT,XR(E)::B(J)+S(H),DCHECK
      • K(e);CHECK,N_SPINP(f),S_FLIGHT::B(J)+S(H),DCHECK,XR(k)
      • R(h);SBLOCK::QAR2(A)
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