MESON Chess Problem Database
Problem Display
PID: 194943 (2n3b1/2B4q/2P2N2/PpkPR3/2n1pN2/2Q5/K2P4/5B2 w - - 0 1)
Voellmy, Erwin
Bale, 1918
#2
11 + 7
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qg6
- 2.Sd7#
- 1...Qh1
- 2.Sd7#
- 1...Qh2
- 2.Sxe4#
- 2.Sd7#
- 1...Qh3
- 2.Sxe4#
- 1...Qh4
- 2.Sxe4#
- 2.Sd7#
- 1...Qh5
- 2.Sxe4#
- 2.Sd7#
- 1...Qh6
- 2.Sxe4#
- 2.Sd7#
- 1...Qxc7
- 2.Sxe4#
- 1...Qd7
- 2.Sxe4#
- 2.Sxd7#
- 1...Qe7
- 2.Sxe4#
- 1...Qf7
- 2.Sxe4#
- 1...Qg7
- 2.Sxe4#
- 1...Qh8
- 2.Sxe4#
- 2.Sd7#
- 1...Be6
- 2.Sxe6#
- 1...Bf7
- 2.Sd7#
- 1...Sd6
- 2.Bb6#
- 1...Se7
- 2.Sd7#
- 1...e3
- 2.d4#
- 1...b4
- 2.Qxc4#
- 1...Qg6
- Tries
- 1.Sg6?
- threat
- 2.Sxe4#
- 1...Qxg6
- 2.Sd7#
- 1...b4
- 2.Qxc4#
- 1...Qh1
- 2.Sd7#
- 1...Qh4
- 2.Sd7#
- 1...Sd6
- 2.Bb6#
- 1...e3
- 2.Se4#
- 2.d4#
- 1...Bxd5!
- threat
- 1.Bb6+?
- 1...Kd6
- 2.Se8#
- 1...Sxb6!
- 1...Kd6
- 1.Sg6?
- Keys
- 1.Re6!
- 1...Qxc7
- 2.Sxe4#
- 1...Bxe6
- 2.Sxe6#
- 1...b4
- 2.Qxc4#
- 1...Qf5
- 2.Sd7#
- 1...Qg6
- 2.Sd7#
- 1...Qh1
- 2.Sd7#
- 1...Qh2
- 2.Sxe4#
- 2.Sd7#
- 1...Qh3
- 2.Sxe4#
- 2.Sd7#
- 1...Qh4
- 2.Sxe4#
- 2.Sd7#
- 1...Qh5
- 2.Sxe4#
- 2.Sd7#
- 1...Qh6
- 2.Sxe4#
- 2.Sd7#
- 1...Qd7
- 2.Sxe4#
- 2.Sxd7#
- 1...Qe7
- 2.Sxe4#
- 1...Qf7
- 2.Sxe4#
- 1...Qg7
- 2.Sxe4#
- 1...Qh8
- 2.Sxe4#
- 2.Sd7#
- 1...Bf7
- 2.Sd7#
- 1...Sb6
- 2.Bxb6#
- 2.Bd6#
- 1...Sd6
- 2.Bb6#
- 2.Bxd6#
- 1...Sa7
- 2.Bb6#
- 2.Bd6#
- 1...Se7
- 2.Sd7#
- 2.Bb6#
- 2.Bd6#
- 1...e3
- 2.d4#
- 1...Qxc7
- 1.Re6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- Q(e);N_GUARD::S(J)
- Q(e);N_GUARD::S(J),XP(b)
- Q(e);N_GUARD,XB(K)::S(J),XP(b)
- B(g);N_GUARD::S(E),XB(g)
- B(g);S_CUTQ(e)::S(J)
- S(f);N_GUARD,SBLOCK::B(K)
- S(f);S_CUTQ(e)::S(J)
- P(b);N_GUARD::P(C)
- P(c);N_GUARD::QAR1(D),XS(a)
- Tries
- Try
- S(E);
- Threat
- S(J),XP(b)
- Vars
- Q(e);N_GUARD,XS(E)::S(J)
- P(c);N_GUARD::QAR1(D),XS(a)
- Q(e);N_GUARD::S(J)
- S(f);N_GUARD,SBLOCK::B(K)
- Refutation
- B(g);P_SPINB(g),XP(G)
- Try
- B(K);CHECK
- Vars
- K(d);N_SPINS(a),S_FLIGHT::S(J)
- Refutation
- S(f);XB(K)
- Try
- Actual
- R(H);
- Vars
- Q(e);N_GUARD,XB(K)::S(J),XP(b)
- B(g);XR(H)::S(E),XB(g)
- P(c);N_GUARD::QAR1(D),XS(a)
- Q(e);N_GUARD::S(J)
- Q(e);N_GUARD::S(J),XP(b)
- B(g);S_CUTQ(e)::S(J)
- P(b);N_GUARD::P(C)
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).