MESON Chess Problem Database

Problem Display
PID: 257725 (8/2p5/K1p1r3/1nk2b2/3R1N2/6Q1/1P1N4/2n5 w - - 0 1)

Lampel, R

Wiener Schachzeitung, 1932

8/2p5/K1p1r3/1nk2b2/3R1N2/6Q1/1P1N4/2n5

#2

6 + 7

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Rc4#
    • 1...Bb1
      • 2.Sxe6#
    • 1...Bc2
      • 2.Sxe6#
    • 1...Bd3
      • 2.Sxe6#
    • 1...Be4
      • 2.Sxe6#
    • 1...Bg6
      • 2.Sxe6#
    • 1...Bh7
      • 2.Sxe6#
    • 1...Sa2
      • 2.Sb3#
    • 1...Se2
      • 2.Sb3#
    • 1...Sb3
      • 2.Sxb3#
    • 1...Sd3
      • 2.Sb3#
    • 1...Sc3
      • 2.Qxc3#
    • 1...Sxd4
      • 2.Qa3#
    • 1...Sa7
      • 2.Qc3#
  • Tries
    • 1.Qb3?
      • threat
        • 2.Qc4#
        • 2.Qb4#
      • 1...Sxb3
        • 2.Sxb3#
      • 1...Sxd4
        • 2.Qa3#
      • 1...Bd3
        • 2.Sxe6#
        • 2.Qb4#
      • 1...Sa2
        • 2.Qc4#
      • 1...Sd3
        • 2.Qc4#
      • 1...Sa3
        • 2.Qb4#
      • 1...Sd6
        • 2.Qb4#
      • 1...Kxd4!
    • 1.Qe3?
      • threat
        • 2.b4#
      • 1...Sxd4
        • 2.Qa3#
      • 1...Sa2
        • 2.Sb3#
      • 1...Sb3
        • 2.Sxb3#
      • 1...Sd3
        • 2.Sb3#
      • 1...Rxe3!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Rc4#
        • 2.Qc4#
        • 2.b4#
      • 1...Bxd3
        • 2.Sxe6#
      • 1...Sxd3
        • 2.Sb3#
      • 1...Sxd4
        • 2.Qa3#
      • 1...Re4
        • 2.Qc4#
        • 2.b4#
      • 1...Sa2
        • 2.Sb3#
        • 2.Rc4#
        • 2.Qc4#
      • 1...Sb3
        • 2.Sxb3#
        • 2.Rc4#
        • 2.Qc4#
      • 1...Sa3
        • 2.b4#
      • 1...Sd6
        • 2.b4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 11
  • Sets
    • R(f);SBLOCK::R1(D)
    • B(d);N_GUARD::S(E),XR(f)
    • S(a);N_GUARD::S(B)
    • S(a);N_GUARD::S(B),XS(a)
    • S(b);N_GUARD::QAR2(C),XS(b)
    • S(b);N_GUARD,SBLOCK,XR(D)::QAB(C)
    • S(b);N_GUARD::QAR2(C)
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);XQ(C)::S(B),XS(a)
        • S(b);N_GUARD,SBLOCK,XR(D)::QAB(C)
        • S(a);::QAR1(C)
        • S(b);::QAB1(C)
      • Refutation
        • K(c);S_FLIGHT,XR(D)
    • Try
      • Q(C);
      • Threat
        • P(A)
      • Vars
        • S(b);N_GUARD,P_SPINS(b),SBLOCK,XR(D)::QAB(C)
        • S(a);N_GUARD::S(B)
        • S(a);N_GUARD::S(B),XS(a)
      • Refutation
        • R(f);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • DUALS(3)
    • Vars
      • B(d);N_GUARD,XQ(C)::S(E),XR(f)
      • S(a);N_GUARD,XQ(C)::S(B)
      • S(b);N_GUARD,SBLOCK,XR(D)::QAB(C)
      • S(b);::P(A)
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