MESON Chess Problem Database
Problem Display
PID: 93858 (n1b1N3/q5p1/p2PN1P1/P3nk1K/2P5/4R1P1/8/7B w - - 0 1)
Pech, Jindrich
2nd Prize, Der Schachfreund, 1899
#2
10 + 7
| 15 | British Chess Magazine | 1899 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxe3
- 2.S6xg7#
- 1...Qd4
- 2.Sxd4#
- 2.S6xg7#
- 1...Qc5
- 2.S6xg7#
- 1...Qb6
- 2.S6xg7#
- 1...Qb8
- 2.Sd4#
- 2.S6xg7#
- 1...Qb7
- 2.Sd4#
- 1...Qc7
- 2.Sd4#
- 1...Qd7
- 2.Sd4#
- 1...Qe7
- 2.Sd4#
- 1...Qf7
- 2.Sd4#
- 1...Bxe6
- 2.Be4#
- 1...Bb7
- 2.S6xg7#
- 1...Bd7
- 2.S6xg7#
- 1...Sd3
- 2.g4#
- 1...Sf3
- 2.g4#
- 1...Sxc4
- 2.g4#
- 1...Sc6
- 2.g4#
- 1...Sxg6
- 2.g4#
- 1...Sd7
- 2.S6xg7#
- 2.g4#
- 1...Sf7
- 2.S6xg7#
- 2.g4#
- 1...Sb6
- 2.Sd4#
- 1...Sc7
- 2.S6xg7#
- 1...Qxe3
- Tries
- 1.Bg2?
- 1...Kxe6
- 2.Bh3#
- 1...Qxe3
- 2.S6xg7#
- 1...Bxe6
- 2.Be4#
- 1...Sxc4
- 2.Bh3#
- 2.g4#
- 1...Sxg6
- 2.Bh3#
- 2.g4#
- 1...Qd4
- 2.Sxd4#
- 2.S6xg7#
- 1...Qc5
- 2.S6xg7#
- 1...Qb6
- 2.S6xg7#
- 1...Qb8
- 2.Sd4#
- 2.S6xg7#
- 1...Qb7
- 2.Sd4#
- 1...Qc7
- 2.Sd4#
- 1...Qd7
- 2.Sd4#
- 1...Qe7
- 2.Sd4#
- 1...Qf7
- 2.Sd4#
- 1...Bb7
- 2.S6xg7#
- 1...Bd7
- 2.S6xg7#
- 1...Sd3
- 2.Bh3#
- 2.g4#
- 1...Sf3
- 2.Bh3#
- 2.g4#
- 1...Sc6
- 2.Bh3#
- 2.g4#
- 1...Sd7
- 2.S6xg7#
- 2.Bh3#
- 2.g4#
- 1...Sf7
- 2.S6xg7#
- 2.Bh3#
- 2.g4#
- 1...Sb6
- 2.Sd4#
- 1...Sc7
- 2.S6xg7#
- 1...Sg4!
- 1...Kxe6
- 1.Bd5?
- 1...Qxe3
- 2.S6xg7#
- 1...Bxe6
- 2.Be4#
- 1...Sxc4
- 2.g4#
- 1...Sxg6
- 2.g4#
- 1...Qd4
- 2.Sxd4#
- 2.S6xg7#
- 1...Qc5
- 2.S6xg7#
- 1...Qb6
- 2.S6xg7#
- 1...Qb8
- 2.Sd4#
- 2.S6xg7#
- 1...Qb7
- 2.Sd4#
- 1...Qc7
- 2.Sd4#
- 1...Qd7
- 2.Sd4#
- 1...Qe7
- 2.Sd4#
- 1...Qf7
- 2.Sd4#
- 1...Bb7
- 2.S6xg7#
- 1...Bd7
- 2.S6xg7#
- 1...Sd3
- 2.g4#
- 1...Sf3
- 2.g4#
- 1...Sc6
- 2.g4#
- 1...Sd7
- 2.S6xg7#
- 2.g4#
- 1...Sf7
- 2.S6xg7#
- 2.g4#
- 1...Sb6
- 2.Sd4#
- 1...Sc7
- 2.S6xg7#
- 1...Sg4!
- 1...Qxe3
- 1.Bb7?
- threat
- 2.S6xg7#
- 1...Qxb7
- 2.Sd4#
- 1...Bxe6
- 2.Be4#
- 1...Kxe6!
- threat
- 1.c5?
- threat
- 2.Sd4#
- 1...Qxc5
- 2.S6xg7#
- 1...Bxe6
- 2.Be4#
- 1...Sf3
- 2.g4#
- 1...Sc6
- 2.g4#
- 1...Kxe6!
- threat
- 1.Bg2?
- Keys
- 1.Bf3!
- 1...Kxe6
- 2.Bg4#
- 1...Qxe3
- 2.S6xg7#
- 1...Bxe6
- 2.Be4#
- 1...Sxf3
- 2.g4#
- 1...Sxc4
- 2.Bg4#
- 2.g4#
- 1...Sxg6
- 2.Bg4#
- 2.g4#
- 1...Qd4
- 2.Sxd4#
- 2.S6xg7#
- 1...Qc5
- 2.S6xg7#
- 1...Qb6
- 2.S6xg7#
- 1...Qb8
- 2.Sd4#
- 2.S6xg7#
- 1...Qb7
- 2.Sd4#
- 1...Qc7
- 2.Sd4#
- 1...Qd7
- 2.Sd4#
- 1...Qe7
- 2.Sd4#
- 1...Qf7
- 2.Sd4#
- 1...Bb7
- 2.S6xg7#
- 1...Bd7
- 2.S6xg7#
- 1...Sd3
- 2.Bg4#
- 2.g4#
- 1...Sg4
- 2.Bxg4#
- 1...Sc6
- 2.Bg4#
- 2.g4#
- 1...Sd7
- 2.S6xg7#
- 2.Bg4#
- 2.g4#
- 1...Sf7
- 2.S6xg7#
- 2.Bg4#
- 2.g4#
- 1...Sb6
- 2.Sd4#
- 1...Sc7
- 2.S6xg7#
- 1...Kxe6
- 1.Bf3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- Q(d);N_GUARD,XR(B)::S(H),XP(e)
- Q(d);N_GUARD::S(H),XP(e)
- Q(d);N_GUARD::S(H)
- Q(d);N_GUARD,P_PINP(I)::S(H)
- B(g);SBLOCK,XS(H)::B(A)
- B(g);S_CUTQ(d)::S(H),XP(e)
- S(a);N_GUARD::P(C)
- S(a);N_GUARD,XP(D)::P(C)
- S(a);N_GUARD,XP(I)::P(C)
- S(f);S_CUTQ(d)::S(H)
- S(f);S_CUTQ(d)::S(H),XP(e)
- Tries
- Try
- B(A);
- Vars
- K(b);P_SPINS(a),S_FLIGHT,XS(H)::B(A)
- Q(d);N_GUARD,XR(B)::S(H),XP(e)
- B(g);SBLOCK,XS(H)::B(A)
- Q(d);N_GUARD::S(H),XP(e)
- Q(d);N_GUARD::S(H)
- Q(d);N_GUARD,P_PINP(I)::S(H)
- B(g);S_CUTQ(d)::S(H),XP(e)
- S(f);S_CUTQ(d)::S(H)
- S(f);S_CUTQ(d)::S(H),XP(e)
- Refutation
- S(a);
- Try
- B(A);
- Vars
- Q(d);N_GUARD,XR(B)::S(H),XP(e)
- B(g);SBLOCK,XS(H)::B(A)
- S(a);N_GUARD,XP(D)::P(C)
- S(a);N_GUARD,XP(I)::P(C)
- Q(d);N_GUARD::S(H),XP(e)
- Q(d);N_GUARD::S(H)
- Q(d);N_GUARD,P_PINP(I)::S(H)
- B(g);S_CUTQ(d)::S(H),XP(e)
- S(a);N_GUARD::P(C)
- S(f);S_CUTQ(d)::S(H)
- S(f);S_CUTQ(d)::S(H),XP(e)
- Refutation
- S(a);
- Try
- B(A);
- Threat
- S(H),XP(e)
- Vars
- Q(d);N_GUARD,XB(A)::S(H)
- B(g);SBLOCK,XS(H)::B(A)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XS(H)
- Try
- P(D);
- Threat
- S(H)
- Vars
- Q(d);N_GUARD,XP(D)::S(H),XP(e)
- B(g);SBLOCK,XS(H)::B(A)
- S(a);N_GUARD::P(C)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XS(H)
- Try
- Actual
- B(A);
- Vars
- K(b);P_SPINS(a),S_FLIGHT,XS(H)::B(A)
- Q(d);N_GUARD,XR(B)::S(H),XP(e)
- B(g);SBLOCK,XS(H)::B(A)
- S(a);N_GUARD,XB(A)::P(C)
- Q(d);N_GUARD::S(H),XP(e)
- Q(d);N_GUARD::S(H)
- Q(d);N_GUARD,P_PINP(I)::S(H)
- B(g);S_CUTQ(d)::S(H),XP(e)
- S(a);N_GUARD::B(A),XS(a)
- S(f);S_CUTQ(d)::S(H)
- S(f);S_CUTQ(d)::S(H),XP(e)
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).