MESON Chess Problem Database
Problem Display
PID: 232564 (8/1n3p1B/2P2R1n/3pk1P1/1Q1Nb1r1/3PN1b1/1K1B4/8 w - - 0 1)
Gruber, Lutz-Dieter
Freie Presse, 1999
#2
10 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bxd3
- 2.Sf3#
- 1...Bf3
- 2.Sxf3#
- 1...Bf5
- 2.Sf3#
- 1...Bg6
- 2.Sf3#
- 1...Bxh7
- 2.Sf3#
- 1...Sf5
- 2.Sxg4#
- 1...Sg8
- 2.Sxg4#
- 1...Bxd3
- Tries
- 1.Sdc2?
- threat
- 2.Qe7#
- 2.Qd4#
- 2.d4#
- 1...Rxg5
- 2.Qe7#
- 2.Qd4#
- 1...Bxd3
- 2.Qe7#
- 1...Bxh7
- 2.Qe7#
- 1...Sf5
- 2.Sxg4#
- 1...Bh1
- 2.Qe7#
- 1...Bg2
- 2.Qe7#
- 1...Bf3
- 2.Qe7#
- 1...Bg6
- 2.Qe7#
- 1...Sg8
- 2.Sxg4#
- 2.Qd4#
- 2.d4#
- 1...Sc5
- 2.Qd4#
- 2.Qb8#
- 2.d4#
- 1...Sd6
- 2.Qxd6#
- 2.Qd4#
- 2.d4#
- 1...Sd8
- 2.Qd6#
- 2.Qd4#
- 2.Qb8#
- 2.d4#
- 1...d4
- 2.Qe7#
- 2.Qxd4#
- 1...Bf5!
- threat
- 1.Se2?
- threat
- 2.Qe7#
- 2.Qd4#
- 2.d4#
- 1...Rxg5
- 2.Qe7#
- 2.Qd4#
- 1...Bxd3
- 2.Qe7#
- 1...Bxh7
- 2.Qe7#
- 1...Bh1
- 2.Qe7#
- 1...Bg2
- 2.Qe7#
- 1...Bf3
- 2.Qe7#
- 1...Bg6
- 2.Qe7#
- 1...Sf5
- 2.Sxg4#
- 1...Sg8
- 2.Sxg4#
- 2.Qd4#
- 2.d4#
- 1...Sc5
- 2.Qd4#
- 2.Qb8#
- 2.d4#
- 1...Sd6
- 2.Qxd6#
- 2.Qd4#
- 2.d4#
- 1...Sd8
- 2.Qd6#
- 2.Qd4#
- 2.Qb8#
- 2.d4#
- 1...d4
- 2.Qe7#
- 2.Qxd4#
- 1...Bf5!
- threat
- 1.Sb3?
- threat
- 2.Qe7#
- 2.Qd4#
- 2.d4#
- 1...Rxg5
- 2.Qe7#
- 2.Qd4#
- 1...Bxd3
- 2.Qe7#
- 1...Bxh7
- 2.Qe7#
- 1...Sf5
- 2.Sxg4#
- 1...Bh1
- 2.Qe7#
- 1...Bg2
- 2.Qe7#
- 1...Bf3
- 2.Qe7#
- 1...Bg6
- 2.Qe7#
- 1...Sg8
- 2.Sxg4#
- 2.Qd4#
- 2.d4#
- 1...Sc5
- 2.Qd4#
- 2.Qb8#
- 2.d4#
- 1...Sd6
- 2.Qxd6#
- 2.Qd4#
- 2.d4#
- 1...Sd8
- 2.Qd6#
- 2.Qd4#
- 2.Qb8#
- 2.d4#
- 1...d4
- 2.Qe7#
- 2.Qxd4#
- 1...Bf5!
- threat
- 1.Sb5?
- threat
- 2.Qe7#
- 2.Qd4#
- 2.d4#
- 1...Rxg5
- 2.Qe7#
- 2.Qd4#
- 1...Bxd3
- 2.Qe7#
- 1...Bxh7
- 2.Qe7#
- 1...Sf5
- 2.Sxg4#
- 1...Bh1
- 2.Qe7#
- 1...Bg2
- 2.Qe7#
- 1...Bf3
- 2.Qe7#
- 1...Bg6
- 2.Qe7#
- 1...Sg8
- 2.Sxg4#
- 2.Qd4#
- 2.d4#
- 1...Sc5
- 2.Qd4#
- 2.d4#
- 1...Sd6
- 2.Qxd6#
- 2.Qd4#
- 2.d4#
- 1...Sd8
- 2.Qd6#
- 2.Qd4#
- 2.d4#
- 1...d4
- 2.Qe7#
- 2.Qxd4#
- 1...Bf5!
- threat
- 1.Bc3?
- threat
- 2.Sf3#
- 2.Qe7#
- 1...Bf5
- 2.Sf3#
- 1...Bf3
- 2.Sxf3#
- 2.Qe7#
- 1...Sg8
- 2.Sxg4#
- 2.Sf3#
- 1...Sc5
- 2.Sf3#
- 2.Qb8#
- 1...Sd6
- 2.Sf3#
- 2.Qxd6#
- 1...Sd8
- 2.Sf3#
- 2.Qd6#
- 2.Qb8#
- 1...Sf5!
- threat
- 1.Rf5+?
- 1...Sxf5
- 2.Sxg4#
- 1...Bxf5!
- 1...Sxf5
- 1.Re6+?
- 1...Kf4
- 2.Sd1#
- 2.Sf1#
- 2.Sec2#
- 2.Sg2#
- 2.Sc4#
- 2.Sxd5#
- 2.Sef5#
- 1...fxe6!
- 1...Kf4
- 1.Qc3?
- threat
- 2.Sf3#
- 1...Sf5
- 2.Sxg4#
- 1...Bf3
- 2.Sxf3#
- 1...Bf5!
- threat
- 1.cxb7?
- threat
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Bxd3
- 2.Sf3#
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Bxh7
- 2.Sf3#
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Bf5
- 2.Sf3#
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Sf5
- 2.Sxg4#
- 1...Rf4
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Rh4
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Be1
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Bf2
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Bh2
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Bf4
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Bh4
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Bh1
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Bg2
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Bf3
- 2.Sxf3#
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Bg6
- 2.Sf3#
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Sg8
- 2.Sxg4#
- 2.Sc6#
- 2.b8Q#
- 2.b8B#
- 1...Rxg5!
- threat
- 1.Sdc2?
- Keys
- 1.Kc3!
- threat
- 2.Qe7#
- 1...Bf5
- 2.Sf3#
- 1...Sf5
- 2.Sxg4#
- 1...Sg8
- 2.Sxg4#
- 1...Sc5
- 2.Qb8#
- 1...Sd6
- 2.Qxd6#
- 1...Sd8
- 2.Qd6#
- 2.Qb8#
- threat
- 1.Kc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- B(b);N_GUARD,XP(C)::S(F)
- B(b);N_GUARD::S(F),XB(b)
- B(b);N_GUARD::S(F)
- B(b);N_GUARD,XB(J)::S(F)
- S(f);N_GUARD::S(D),XR(c)
- Tries
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- B(b);XP(C)::QAR2(E)
- B(b);XB(J)::QAR2(E)
- S(f);N_GUARD::S(D),XR(c)
- B(b);::QAR2(E)
- Refutation
- B(b);
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- B(b);XP(C)::QAR2(E)
- B(b);XB(J)::QAR2(E)
- B(b);::QAR2(E)
- S(f);N_GUARD::S(D),XR(c)
- Refutation
- B(b);
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- B(b);XP(C)::QAR2(E)
- B(b);XB(J)::QAR2(E)
- S(f);N_GUARD::S(D),XR(c)
- B(b);::QAR2(E)
- Refutation
- B(b);
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- B(b);XP(C)::QAR2(E)
- B(b);XB(J)::QAR2(E)
- S(f);N_GUARD::S(D),XR(c)
- B(b);::QAR2(E)
- Refutation
- B(b);
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- B(b);::B(B)+S(F),DCHECK
- Refutation
- S(f);
- Try
- R(I);CHECK
- Vars
- S(f);XR(I)::S(D),XR(c)
- Refutation
- B(b);XR(I)
- Try
- R(I);CHECK
- Refutation
- P(h);XR(I)
- Try
- Q(E);
- Threat
- QAB(E)+S(F),DCHECK
- Vars
- S(f);N_GUARD::S(D),XR(c)
- B(b);::QAB(E)+S(F),DCHECK,XB(b)
- Refutation
- B(b);
- Try
- P(H);XS(g)
- Threat
- DUALS(3)
- Vars
- S(f);N_GUARD::S(D),XR(c)
- Refutation
- R(c);XP(G)
- Try
- Actual
- K(A);S_FLIGHT
- Threat
- QAR2(E)
- Vars
- B(b);N_GUARD::S(F)
- S(f);N_GUARD::S(D),XR(c)
- S(g);OGATE::QAB(E)
- S(g);N_GUARD::QAB1(E),XS(g)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).