MESON Chess Problem Database

Problem Display
PID: 64598 (5b2/1RB3p1/p1p4r/2k5/p1P1Q3/P4BPp/1nrPb2K/8 w - - 0 1)

Dittrich, Stefan

Muller, Dieter

1st Prize, Sinfonie Scacchistiche, 1981-1982

5b2/1RB3p1/p1p4r/2k5/p1P1Q3/P4BPp/1nrPb2K/8

#2

9 + 11

3485 Sachova skladba 1985
3752 FIDE Album (1980-1982) 1988

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc4
      • 2.Qe5#
    • 1...Rd6
      • 2.Bb6#
    • 1...Bxc4
      • 2.Qe3#
    • 1...Bd6
      • 2.Bb6#
    • 1...Sxc4
      • 2.d4#
  • Tries
    • 1.Rb4?
      • threat
        • 2.Qe3#
        • 2.Qe5#
        • 2.d4#
      • 1...Rxc4
        • 2.Qe5#
      • 1...Bxf3
        • 2.Qe3#
      • 1...Bxc4
        • 2.Qe3#
      • 1...Sxc4
        • 2.d4#
      • 1...Sd3
        • 2.Qe3#
      • 1...Rc3
        • 2.Qe5#
        • 2.d4#
      • 1...Rh4
        • 2.Qe5#
        • 2.d4#
      • 1...Rh5
        • 2.Qe3#
        • 2.d4#
      • 1...Rd6
        • 2.Bb6#
      • 1...Re6
        • 2.d4#
      • 1...Bd1
        • 2.Qe3#
        • 2.Qe5#
      • 1...Bf1
        • 2.Qe3#
        • 2.Qe5#
      • 1...Bd3
        • 2.Qe3#
        • 2.Qe5#
      • 1...Bd6
        • 2.Bb6#
        • 2.Qe3#
        • 2.d4#
      • 1...Sd1
        • 2.Qe5#
        • 2.d4#
      • 1...Rxd2!
    • 1.Rb5+?
      • 1...cxb5
        • 2.Qd5#
      • 1...axb5!
    • 1.Qxc6+?
      • 1...Kd4
        • 2.Qd5#
      • 1...Rxc6!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Bb6#
      • 1...Rxc4
        • 2.Qe5#
      • 1...Bxc4
        • 2.Qe3#
      • 1...Sxc4
        • 2.d4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • R(b);SBLOCK,XP(F)::QAR2(G)
    • R(i);SBLOCK::B(I)
    • B(c);P_PINP(A),SBLOCK,XP(F)::QAB(G)
    • B(k);P_PINP(E),SBLOCK::B(I)
    • S(a);SBLOCK,XP(F)::P(A)
  • Tries
    • Try
      • R(H);
      • Threat
        • DUALS(3)
      • Vars
        • R(b);XP(F)::QAR2(G)
        • B(c);P_PINP(A),XB(D)::QAB(G)
        • B(c);P_PINP(A),XP(F)::QAB(G)
        • S(a);XP(F)::P(A)
        • S(a);::QAB(G)
        • R(i);SBLOCK::B(I)
        • R(i);::P(A)
      • Refutation
        • R(b);XP(A)
    • Try
      • R(H);CHECK
      • Vars
        • P(h);XR(H)::QAR1(G)
      • Refutation
        • P(g);XR(H)
    • Try
      • Q(G);CHECK,XP(h)
      • Vars
        • K(f);S_FLIGHT::QAR1(G)
      • Refutation
        • R(i);XQ(G)
  • Actual
    • Q(G);
    • Threat
      • B(I)
    • Vars
      • R(b);SBLOCK,XP(F)::QAR2(G)
      • B(c);P_PINP(A),SBLOCK,XP(F)::QAB(G)
      • S(a);SBLOCK,XP(F)::P(A)
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