MESON Chess Problem Database

Problem Display
PID: 73639 (1q1RQ3/br1p2NK/2b5/Np5R/2Pk1p1p/5P2/4P1n1/2r1B3 w - - 0 1)

Buchwald, Julius

Revista Romana de Sah, 1948

1q1RQ3/br1p2NK/2b5/Np5R/2Pk1p1p/5P2/4P1n1/2r1B3

#2

10 + 11

5759 Selected Compositions of Julius Buchwald 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5
      • 2.Qxe5#
    • 1...Qa8
      • 2.Qe5#
    • 1...Qc8
      • 2.Qe5#
    • 1...Qxd8
      • 2.Qe5#
    • 1...Rxc4
      • 2.Sb3#
    • 1...Rc7
      • 2.Qe5#
    • 1...Be4+
      • 2.Qxe4#
    • 1...Bd5
      • 2.Rxd5#
    • 1...Bc5
      • 2.Sf5#
    • 1...Se3
      • 2.Se6#
    • 1...bxc4
      • 2.Sxc6#
    • 1...d6
      • 2.Qe5#
  • Tries
    • 1.Rxd7+?
      • 1...Qd6
        • 2.Qe5#
      • 1...Bd5
        • 2.Rhxd5#
        • 2.Rdxd5#
      • 1...Bxd7
        • 2.Rd5#
        • 2.Qe4#
      • 1...Rxd7!
    • 1.Qe3+?
      • 1...Sxe3
        • 2.Se6#
      • 1...fxe3
        • 2.Se6#
      • 1...Kxe3!
  • Keys
    • 1.Bb4!
      • threat
        • 2.Sf5#
      • 1...Be4+
        • 2.Qxe4#
      • 1...Rxc4
        • 2.Sb3#
      • 1...bxc4
        • 2.Sxc6#
      • 1...Qe5
        • 2.Qxe5#
      • 1...Se3
        • 2.Se6#
      • 1...d5
        • 2.Qe4#
      • 1...d6
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • Q(k);N_GUARD::QAB1(J),XQ(k)
    • Q(k);N_GUARD::QAB1(J)
    • Q(k);N_GUARD,N_SPINP(j),XR(I)::QAB1(J)
    • R(a);SBLOCK,XP(D)::S(E)
    • R(i);S_CUTQ(k)::QAB1(J)
    • B(g);CHECK,N_GUARD::QAR1(J),XB(g)
    • B(g);N_GUARD,N_SPINP(j)::R1(F),XB(g)
    • B(h);SBLOCK::S(G)
    • S(b);SBLOCK::S(G)
    • P(f);SBLOCK,XP(D)::S(E),XB(g)
    • P(j);P_PINS(G),S_CUTQ(k)::QAB1(J)
  • Tries
    • Try
      • R(I);CHECK,XP(j)
      • Vars
        • Q(k);P_SPINQ(k)::QAB1(J)
      • Refutation
        • R(i);P_PINS(G),XR(I)
    • Try
      • Q(J);CHECK
      • Vars
        • S(b);SBLOCK,XQ(J)::S(G)
        • P(d);SBLOCK,XQ(J)::S(G)
      • Refutation
        • K(c);N_SPINP(j),S_FLIGHT,XQ(J)
  • Actual
    • B(A);
    • Threat
      • S(G)
    • Vars
      • B(g);CHECK,N_GUARD::QAR1(J),XB(g)
      • R(a);SBLOCK,XP(D)::S(E)
      • P(f);SBLOCK,XP(D)::S(E),XB(g)
      • Q(k);N_GUARD::QAB1(J),XQ(k)
      • S(b);SBLOCK::S(G)
      • P(j);P_PINS(G),S_CUTB(g)::QAR1(J)
      • P(j);P_PINS(G),S_CUTQ(k)::QAB1(J)
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