MESON Chess Problem Database

Problem Display
PID: 243636 (5b2/3rp3/p7/5N2/K1kBP1B1/p1PR4/2PPp1nQ/4r3 w - - 0 1)

Balcu, Silviu

Revista Romana de Sah, 1959

5b2/3rp3/p7/5N2/K1kBP1B1/p1PR4/2PPp1nQ/4r3

#2

10 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd4
      • 2.Qc7#
    • 1...Rc7
      • 2.Qxc7#
    • 1...Rd8
      • 2.Qc7#
    • 1...Se3
      • 2.Sxe3#
    • 1...Sf4
      • 2.Se3#
    • 1...Sh4
      • 2.Se3#
  • Tries
    • 1.Re3?
      • threat
        • 2.d3#
      • 1...Rxd4
        • 2.Qc7#
      • 1...Rd1
        • 2.Bxe2#
      • 1...Sf4!
    • 1.Rf3?
      • threat
        • 2.d3#
      • 1...Rxd4
        • 2.Qc7#
      • 1...Sf4
        • 2.Se3#
      • 1...Rd1!
    • 1.Rg3?
      • threat
        • 2.d3#
      • 1...Rd1
        • 2.Bxe2#
      • 1...Sf4
        • 2.Se3#
      • 1...Rxd4!
    • 1.Qe5?
      • threat
        • 2.Qc5#
      • 1...Rxd4
        • 2.Rxd4#
        • 2.Qxd4#
        • 2.Qc7#
      • 1...Rd5
        • 2.Qxd5#
      • 1...Rc7
        • 2.Qxc7#
        • 2.Qd5#
        • 2.Qe6#
      • 1...e6!
  • Keys
    • 1.Rh3!
      • threat
        • 2.d3#
      • 1...Rxd4
        • 2.Qc7#
      • 1...Rd1
        • 2.Bxe2#
      • 1...Sf4
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(g);N_GUARD,XB(G)::QAR(C)
    • R(g);N_GUARD::QAR(C),XR(g)
    • R(g);N_GUARD::QAR(C)
    • S(c);N_GUARD::S(J),XS(c)
    • S(c);N_GUARD::S(J)
  • Tries
    • Try
      • R(E);
      • Threat
        • P(B)
      • Vars
        • R(g);N_GUARD,XB(G)::QAR(C)
        • R(a);N_GUARD::B(I),XP(b)
      • Refutation
        • S(c);
    • Try
      • R(E);
      • Threat
        • P(B)
      • Vars
        • R(g);N_GUARD,XB(G)::QAR(C)
        • S(c);N_GUARD::S(J)
      • Refutation
        • R(a);
    • Try
      • R(E);
      • Threat
        • P(B)
      • Vars
        • R(a);N_GUARD::B(I),XP(b)
        • S(c);N_GUARD::S(J)
      • Refutation
        • R(g);XB(G)
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • R(g);N_GUARD::QAB1(C),XR(g)
      • Refutation
        • P(h);
  • Actual
    • R(E);
    • Threat
      • P(B)
    • Vars
      • R(g);N_GUARD,XB(G)::QAR(C)
      • R(a);N_GUARD::B(I),XP(b)
      • S(c);N_GUARD::S(J)
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