MESON Chess Problem Database

Problem Display
PID: 254527 (8/2R1Q1B1/1n4b1/3B4/1p1r1p2/3kN3/2R5/n4K2 w - - 0 1)

Lamba, Stelian

Pripoae, N

Probleemblad, 1983

8/2R1Q1B1/1n4b1/3B4/1p1r1p2/3kN3/2R5/n4K2

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...b3
      • 2.R7c3#
  • Tries
    • 1.Sf5?
      • threat
        • 2.Qe2#
      • 1...Re4
        • 2.Bxe4#
        • 2.Qxe4#
      • 1...f3
        • 2.Qe3#
      • 1...Bh5!
  • Keys
    • 1.Qxb4!
      • threat
        • 2.R7c3#
        • 2.Qd2#
        • 2.Qc3#
        • 2.Qxd4#
      • 1...Kxe3
        • 2.Qxd4#
      • 1...Rxb4
        • 2.R7c3#
      • 1...Rxd5
        • 2.R7c3#
      • 1...Sxc2
        • 2.Qc3#
      • 1...Sxd5
        • 2.Qxd4#
      • 1...fxe3
        • 2.R7c3#
        • 2.Qc3#
        • 2.Qxd4#
      • 1...Re4
        • 2.R7c3#
        • 2.Qd2#
        • 2.Qc3#
      • 1...Rc4
        • 2.Qd2#
      • 1...Sb3
        • 2.R7c3#
        • 2.Qc3#
        • 2.Qxb3#
      • 1...Sa4
        • 2.Qd2#
        • 2.Qxd4#
      • 1...Sc4
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • P(c);N_GUARD::R1(E)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB1(F)
      • Vars
        • P(e);N_GUARD::QAR1(F)
      • Refutation
        • B(g);
  • Actual
    • Q(F);XP(c)
    • Threat
      • DUALS(4)
    • Vars
      • K(b);P-FLIGHT,XS(C)::QAB1(F),XR(d)
      • R(d);XQ(F)::R1(E)
      • R(d);XB(D)::R1(E)
      • S(a);XR(B)::QAR1(F)
      • S(f);XB(D)::QAR1(F),XR(d)
      • R(d);::QAR1(F)
      • S(f);::QAR1(F)
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