MESON Chess Problem Database

Problem Display
PID: 135264 (8/K3R3/8/3p1pQ1/2p3P1/2Bkr3/BP1n2bR/N2n2N1 w - - 0 1)

Ernst, Erich

Badische Neueste Nachrichten, 1999

8/K3R3/8/3p1pQ1/2p3P1/2Bkr3/BP1n2bR/N2n2N1

#2

10 + 8

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Qxd2#
    • 1...Rf3
      • 2.Qxd2#
    • 1...Rg3
      • 2.Qxd2#
    • 1...Rh3
      • 2.Qxd2#
    • 1...Re4
      • 2.Qxd2#
    • 1...Bf1
      • 2.Rxd2#
    • 1...Bh1
      • 2.Rxd2#
    • 1...Bf3
      • 2.Rxd2#
    • 1...Bh3
      • 2.Rxd2#
    • 1...Be4
      • 2.Rxd2#
    • 1...Sxb2
      • 2.Rxe3#
      • 2.Qxe3#
    • 1...Sf2
      • 2.Rxe3#
      • 2.Qxe3#
    • 1...Sxc3
      • 2.Qxe3#
    • 1...Sb1
      • 2.Bxb1#
    • 1...Sf1
      • 2.Bb1#
    • 1...Sb3
      • 2.Bb1#
    • 1...Sf3
      • 2.Bb1#
    • 1...Se4
      • 2.Bb1#
  • Tries
    • 1.Qf4?
      • threat
        • 2.Qd4#
      • 1...Sxc3
        • 2.Rxe3#
        • 2.Qxe3#
      • 1...Re4
        • 2.Qxd2#
      • 1...Be4
        • 2.Rxd2#
      • 1...Sb3
        • 2.Bb1#
      • 1...Sf3
        • 2.Bb1#
      • 1...Se4
        • 2.Bb1#
      • 1...d4
        • 2.Qxd4#
      • 1...Rxe7+!
    • 1.Qxf5+?
      • 1...Be4
        • 2.Rxd2#
      • 1...Se4
        • 2.Bb1#
        • 2.Qxd5#
      • 1...Re4!
  • Keys
    • 1.Re4!
      • threat
        • 2.Rd4#
      • 1...Kxe4
        • 2.Qxf5#
      • 1...Rxe4
        • 2.Qxd2#
      • 1...Bxe4
        • 2.Rxd2#
      • 1...Sxb2
        • 2.Rxe3#
        • 2.Qxe3#
      • 1...Sxc3
        • 2.Qxe3#
      • 1...Sxe4
        • 2.Bb1#
      • 1...dxe4
        • 2.Qd8#
      • 1...fxe4
        • 2.Qxd5#
      • 1...Sb3
        • 2.Bb1#
      • 1...Sf3
        • 2.Bb1#
      • 1...d4
        • 2.Rxd4#

This is a version of 79859

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 10
  • Sets
    • R(e);OGATE::QAR1(H),XS(b)
    • B(c);OGATE::R1(E),XS(b)
    • S(a);N_GUARD,XB(F)::QAR1(H),XR(e)
    • S(b);N_GUARD::B(C),XS(b)
    • S(b);N_GUARD::B(C)
  • Tries
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Vars
        • R(e);OGATE::QAR1(H),XS(b)
        • B(c);OGATE::R1(E),XS(b)
        • S(b);N_GUARD::B(C)
        • P(g);::QAR1(H),XP(g)
      • Refutation
        • R(e);CHECK,XR(J)
    • Try
      • Q(H);CHECK,XP(h)
      • Vars
        • B(c);OGATE,P_SPINB(c)::R1(E),XS(b)
      • Refutation
        • R(e);P_SPINR(e)
  • Actual
    • R(J);
    • Threat
      • R1(J)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XR(J)::QAB1(H),XP(h)
      • R(e);OGATE,SBLOCK,XR(J)::QAR1(H),XS(b)
      • B(c);OGATE,SBLOCK,XR(J)::R1(E),XS(b)
      • S(a);N_GUARD,XB(F)::QAR1(H),XR(e)
      • S(b);N_GUARD,SBLOCK,XR(J)::B(C)
      • P(g);OGATEB,SBLOCK,XR(J)::QAR(H)
      • P(h);OGATE,XR(J)::QAR2(H),XP(g)
      • S(b);N_GUARD::B(C)
      • P(g);::R1(J),XP(g)
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