MESON Chess Problem Database

Problem Display
PID: 50516 (5rNq/7p/R3P2N/Q2Pk1pp/2p1p3/2Kp4/2n2B1P/5R1B w - - 0 1)

Prins, Hendrik

3rd HM., Het Belgisch Schaakbord (L'Echiquier Belge), 1983-1984

5rNq/7p/R3P2N/Q2Pk1pp/2p1p3/2Kp4/2n2B1P/5R1B

#2

11 + 10

5110 Bekroonde Problemen 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4+
      • 2.Bd4#
    • 1...Ra8
      • 2.Bg3#
    • 1...Rb8
      • 2.Bg3#
    • 1...Rc8
      • 2.Bg3#
    • 1...Rd8
      • 2.Bg3#
    • 1...Re8
      • 2.Bg3#
    • 1...Rxg8
      • 2.Bg3#
    • 1...Sa1
      • 2.Bd4#
    • 1...Se1
      • 2.Bd4#
    • 1...Sa3
      • 2.Bd4#
    • 1...Sb4
      • 2.Bd4#
    • 1...Sd4
      • 2.Bxd4#
    • 1...e3
      • 2.Qc7#
  • Tries
    • 1.Bb6?
      • threat
        • 2.Bc7#
      • 1...Kd6+
        • 2.Bd4#
      • 1...Rf7
        • 2.Sxf7#
      • 1...Rc8
        • 2.Sf7#
      • 1...Rd8
        • 2.Sf7#
      • 1...Qg7!
    • 1.Qc5?
      • threat
        • 2.Qd6#
      • 1...Kf4+
        • 2.Bd4#
      • 1...Rxg8
        • 2.Bg3#
      • 1...Rd8
        • 2.Bg3#
      • 1...Qxg8!
    • 1.d6+?
      • 1...Kf4+
        • 2.Bd4#
      • 1...Kxe6+!
  • Keys
    • 1.Bc5!
      • threat
        • 2.Bd6#
      • 1...Kxd5+
        • 2.Bd4#
      • 1...Rd8
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 12
  • Sets
    • K(e);CHECK,S_FLIGHT::R(A)+B(C)
    • R(i);N_GUARD::B(C)
    • R(i);N_GUARD,XS(K)::B(C)
    • S(a);N_GUARD::B(C)
    • S(a);N_GUARD::B(C),XS(a)
    • P(d);::QAB(F)
  • Tries
    • Try
      • B(C);
      • Threat
        • B(C)
      • Vars
        • K(e);CHECK,S_FLIGHT::R(H)+B(C)
        • R(i);N_GUARD::S(J),XR(i)
        • R(i);N_GUARD::S(J)
      • Refutation
        • Q(j);
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • K(e);CHECK,S_FLIGHT::R(A)+B(C)
        • R(i);N_GUARD,XS(K)::B(C)
        • R(i);N_GUARD::B(C)
      • Refutation
        • Q(j);XS(K)
    • Try
      • P(G);CHECK
      • Vars
        • K(e);CHECK,S_FLIGHT::R(A)+B(C)
      • Refutation
        • K(e);CHECK,P-FLIGHT,XP(I)
  • Actual
    • B(C);
    • Threat
      • B(C)
    • Vars
      • K(e);CHECK,P-FLIGHT,P_SPINP(d),XP(G)::QAR(F)+B(C)
      • R(i);N_GUARD::R1(A)
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