MESON Chess Problem Database

Problem Display
PID: 193664 (2rbr3/8/4P1pp/RNp2kB1/2K4p/2Q2B2/8/8 w - - 0 1)

Kintzig, Robert

Pesti Naplo, 1915

2rbr3/8/4P1pp/RNp2kB1/2K4p/2Q2B2/8/8

#2

7 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kxg5
      • 2.Qe5#
    • 1...Re7
      • 2.Qf6#
    • 1...Bxa5
      • 2.Qf6#
    • 1...Bb6
      • 2.Qf6#
    • 1...Bf6
      • 2.Qxf6#
    • 1...Bc7
      • 2.Qf6#
  • Tries
    • 1.Kd5?
      • threat
        • 2.Qe5#
      • 1...Kxg5
        • 2.Qe5#
      • 1...Bf6
        • 2.Qxf6#
      • 1...Bc7
        • 2.Qf6#
      • 1...Rxe6!
    • 1.Sd6+?
      • 1...Kxg5
        • 2.Qe5#
      • 1...Kxe6!
    • 1.Qd3+?
      • 1...Ke5
        • 2.Qe4#
        • 2.Qd5#
      • 1...Kxe6
        • 2.Qd5#
      • 1...Kxg5!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Qd5#
      • 1...cxd4+
        • 2.Sc7#
      • 1...Kxg5
        • 2.Qe5#
      • 1...Kxe6
        • 2.Qd5#
      • 1...Rxe6
        • 2.Qf4#
      • 1...Bxg5
        • 2.Bg4#
      • 1...hxg5
        • 2.Bg4#
      • 1...Bf6
        • 2.Qxf6#
      • 1...Bc7
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • K(c);P-FLIGHT,XB(F)::QAR2(A)
    • R(h);S_CUTB(g)::QAR1(A)
    • B(g);N_GUARD,XR(D)::QAR1(A)
    • B(g);N_GUARD::QAR1(A)
    • B(g);N_GUARD::QAR1(A),XB(g)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • QAR1(A)
      • Vars
        • K(c);P-FLIGHT,XB(F)::QAR2(A)
        • B(g);N_GUARD::QAR1(A),XB(g)
        • B(g);N_GUARD::QAR1(A)
      • Refutation
        • R(h);XP(G)
    • Try
      • S(E);CHECK,P_PINP(b)
      • Vars
        • K(c);P-FLIGHT,XB(F)::QAR2(A)
      • Refutation
        • K(c);N_SPINP(b),S_FLIGHT,XP(G)
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT,XP(G)::QAB1(A)
      • Refutation
        • K(c);P-FLIGHT,XB(F)
  • Actual
    • Q(A);
    • Threat
      • QAR2(A)
    • Vars
      • P(b);CHECK,XQ(A)::R(D)+S(E)
      • K(c);P-FLIGHT,XB(F)::QAR2(A)
      • K(c);S_FLIGHT,XP(G)::QAB1(A)
      • R(h);SBLOCK,XP(G)::QAR1(A)
      • B(g);SBLOCK,XB(F)::B(B)
      • P(e);SBLOCK,XB(F)::B(B)
      • B(g);N_GUARD::QAR1(A),XB(g)
      • B(g);N_GUARD::QAR1(A)
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