MESON Chess Problem Database

Problem Display
PID: 51964 (3R4/3N3B/1p1Kp3/b1p1P2p/r2k1rbR/p5p1/1N1Pp3/2Q5 w - - 0 1)

Maleika, Gerhard

Die Schwalbe, 2004

3R4/3N3B/1p1Kp3/b1p1P2p/r2k1rbR/p5p1/1N1Pp3/2Q5

#2

9 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rb4
      • 2.Qc3#
    • 1...Rc4
      • 2.Qxc4#
    • 1...Bf3
      • 2.Qg1#
    • 1...Bh3
      • 2.Rxf4#
      • 2.Qg1#
    • 1...Bxd2
      • 2.Qxd2#
    • 1...Bc3
      • 2.Qxc3#
      • 2.dxc3#
    • 1...Bb4
      • 2.Qc4#
    • 1...b5
      • 2.Qxc5#
  • Keys
    • 1.Sxc5!
      • threat
        • 2.Sb3#
      • 1...Bxd2
        • 2.Qxd2#
      • 1...bxc5
        • 2.Qxc5#
      • 1...Rb4
        • 2.Qc3#
      • 1...Rf3
        • 2.Sxe6#
      • 1...Rf5
        • 2.Kxe6#
      • 1...Bf5
        • 2.Qg1#
      • 1...Bb4
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • R(d);S_CUTB(h)::QAB1(A)
    • R(d);N_GUARD::QAR1(A),XR(d)
    • B(g);P_SPINR(f)::QAB(A)
    • B(h);OGATE,XP(C)::QAR2(A),XB(h)
    • B(h);S_CUTR(d)::QAR1(A)
    • P(k);N_GUARD::QAB1(A),XP(i)
  • Actual
    • S(G);XP(i)
    • Threat
      • S(G)
    • Vars
      • B(h);OGATE,XP(C)::QAR2(A),XB(h)
      • P(k);OGATE,XS(G)::QAB1(A),XP(k)
      • R(d);S_CUTB(h)::QAB1(A)
      • R(f);P_SPINB(g)::S(G),XP(l)
      • R(f);P_SPINB(g)::R(I)+K(F),XP(l)
      • B(g);P_SPINR(f)::QAB(A)
      • B(h);P_PINS(G),S_CUTR(d)::QAR1(A)
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