MESON Chess Problem Database

Problem Display
PID: 153819 (1nr5/6P1/b2pp1K1/3RP2N/1P2kPBb/1P1p1p2/3P4/1QN4r w - - 0 1)

Praag, T

Tijdschrift vd KNSB, 1939

1nr5/6P1/b2pp1K1/3RP2N/1P2kPBb/1P1p1p2/3P4/1QN4r

#2

12 + 10

102 Probleemblad 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Qxd3#
    • 1...Bb7
      • 2.Qxd3#
  • Keys
    • 1.Se2!
      • threat
        • 2.Rd4#
      • 1...Kxd5
        • 2.Bxf3#
      • 1...fxe2
        • 2.Qxh1#
      • 1...dxe5
        • 2.Rxe5#
      • 1...exd5
        • 2.Bf5#
      • 1...Rc4
        • 2.Qxd3#
      • 1...Bf2
        • 2.Sf6#
      • 1...Sc6
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • R(j);S_CUTB(f)::QAB1(A),XP(b)
    • B(f);N_GUARD::QAB1(A),XP(b)
  • Actual
    • S(B);
    • Threat
      • R1(H)
    • Vars
      • K(d);N_SPINP(b),S_FLIGHT,XR(H)::B(G),XP(c)
      • P(c);OGATEB,XS(B)::QAB(A),XR(a)
      • P(g);OGATE,XP(I)::R1(H),XP(g)
      • P(h);N_GUARD,SBLOCK,XR(H)::B(G)
      • R(j);S_CUTB(f)::QAB1(A),XP(b)
      • B(e);N_GUARD::S(J)
      • S(i);S_CUTR(j)::S(B)
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