MESON Chess Problem Database

Problem Display
PID: 40015 (BB4b1/2N1R2p/6p1/4P1p1/RN1P1kP1/2pQqP2/npPP1b1P/1K1n1r2 w - - 0 1)

Lindner, Laszlo

Tijdschrift vd NSB, 1935

BB4b1/2N1R2p/6p1/4P1p1/RN1P1kP1/2pQqP2/npPP1b1P/1K1n1r2

#2

15 + 12

4080 Mattbilder eines Lebens 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd2
      • 2.Qe4#
    • 1...Qxd3
      • 2.Sxd3#
    • 1...Qxf3
      • 2.Qxf3#
    • 1...Qe4
      • 2.Qxe4#
    • 1...Be6
      • 2.Sxe6#
    • 1...Bf7
      • 2.Rxf7#
  • Tries
    • 1.Ra6?
      • threat
        • 2.Rf6#
      • 1...Qxd3
        • 2.Sxd3#
      • 1...Qxf3
        • 2.Qxf3#
      • 1...Qe4
        • 2.Qxe4#
      • 1...Be6
        • 2.Sxe6#
      • 1...Qxe5!
    • 1.Qxg6?
      • threat
        • 2.Qf5#
        • 2.Qf6#
      • 1...Qxd2
        • 2.Qe4#
      • 1...Qxf3
        • 2.Qf5#
      • 1...Qxe5
        • 2.Sd3#
      • 1...Qe4
        • 2.Qxe4#
      • 1...Qd3
        • 2.Sxd3#
      • 1...Be6
        • 2.Sxe6#
      • 1...hxg6!
    • 1.Qxe3+?
      • 1...Bxe3
        • 2.Sd3#
      • 1...Sxe3+!
    • 1.dxe3+?
      • 1...Bxe3
        • 2.Qe4#
      • 1...Sxe3+!
  • Keys
    • 1.Re6!
      • threat
        • 2.Rf6#
      • 1...Qxd4
        • 2.Sbd5#
      • 1...Qxd3
        • 2.Sxd3#
      • 1...Qxf3
        • 2.Qxf3#
      • 1...Qxe5
        • 2.Scd5#
      • 1...Bxe6
        • 2.Sxe6#
      • 1...Qe4
        • 2.Qxe4#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • Q(g);N_GUARD,XP(C)::QAR1(E)
    • Q(g);P_PINP(B),XQ(E)::S(H),XQ(g)
    • Q(g);OGATE,XP(F)::QAR1(E),XQ(g)
    • Q(g);N_GUARD::QAR1(E),XQ(g)
    • B(l);N_GUARD::S(L),XB(l)
    • B(l);N_GUARD::R(M),XB(l)
  • Tries
    • Try
      • R(G);
      • Threat
        • R(G)
      • Vars
        • Q(g);P_PINP(B),XQ(E)::S(H),XQ(g)
        • Q(g);OGATE,XP(F)::QAR1(E),XQ(g)
        • Q(g);N_GUARD::QAR1(E),XQ(g)
        • B(l);N_GUARD::S(L),XB(l)
      • Refutation
        • Q(g);XP(K)
    • Try
      • Q(E);XP(j)
      • Threat
        • DUALS(2)
      • Vars
        • Q(g);N_GUARD,XP(C)::QAR1(E)
        • Q(g);XP(F)::QAR1(E)
        • Q(g);N_GUARD,XP(K)::S(H)
        • Q(g);N_GUARD,P_PINP(B)::QAR1(E),XQ(g)
        • Q(g);N_GUARD,P_PINP(B)::S(H),XQ(g)
        • B(l);N_GUARD::S(L),XB(l)
      • Refutation
        • P(k);XQ(E)
    • Try
      • Q(E);CHECK,XQ(g)
      • Vars
        • B(e);XQ(E)::S(H)
      • Refutation
        • S(a);CHECK,XQ(E)
    • Try
      • P(C);CHECK,XQ(g)
      • Vars
        • B(e);XP(C)::QAR1(E)
      • Refutation
        • S(a);CHECK,XP(C)
  • Actual
    • R(M);
    • Threat
      • R(M)
    • Vars
      • Q(g);XP(I)::S(H)
      • Q(g);P_PINP(B),XQ(E)::S(H),XQ(g)
      • Q(g);OGATE,XP(F)::QAR1(E),XQ(g)
      • Q(g);XP(K)::S(L)
      • B(l);XR(M)::S(L),XB(l)
      • Q(g);N_GUARD::QAR1(E),XQ(g)
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