MESON Chess Problem Database

Problem Display
PID: 139550 (4K3/1B2P3/2ppk3/1PPNrp1P/8/3PB3/5R1Q/8 w - - 0 1)

van Bemmel, JAG

Probleemblad, 1974

4K3/1B2P3/2ppk3/1PPNrp1P/8/3PB3/5R1Q/8

#2

11 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe3
      • 2.Qxd6#
    • 1...Re4
      • 2.Qxd6#
  • Keys
    • 1.Rxf5!
      • 1...Kxd5
        • 2.Qa2#
      • 1...Kxf5
        • 2.Qh3#
      • 1...Rxe3
        • 2.Bc8#
      • 1...Rxd5
        • 2.Bc8#
      • 1...Rxf5
        • 2.Qxd6#
      • 1...cxb5
        • 2.Rf6#
      • 1...cxd5
        • 2.Bc8#
      • 1...dxc5
        • 2.Qxe5#
      • 1...Re4
        • 2.Bc8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • R(a);OGATE,XB(D)::QAR1(B),XP(d)
    • R(a);OGATE::QAR1(B),XP(d)
  • Actual
    • R(A);XP(b)
    • Vars
      • K(e);OGATEB,P_PINP(J),P_SPINP(c),P_SPINR(a),S_FLIGHT,XS(G)::QAB(B)
      • K(e);OGATEB,P_PINP(J),S_FLIGHT,XR(A)::QAB(B)
      • R(a);XB(D)::B(I)
      • R(a);XS(G)::B(I)
      • R(a);OGATE,SBLOCK,XR(A)::QAR1(B),XP(d)
      • P(c);XP(E)::R1(A)
      • P(c);SBLOCK,XS(G)::B(I)
      • P(d);N_GUARD,XP(F)::QAR1(B),XR(a)
      • R(a);::B(I)
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