MESON Chess Problem Database
Problem Display
PID: 89766 (3N2R1/3P1p2/2nQp3/2N2k2/3q1B1K/6p1/6B1/5R2 w - - 0 1)
Ceriani, Luigi
1st Prize, Die Schwalbe, 1934
#2
9 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Bc1#
- 1...Qb2
- 2.Bd2#
- 1...Qc3
- 2.Be3#
- 1...Qe3
- 2.Bxe3#
- 1...Qxc5
- 2.Be3#
- 1...Qe5
- 2.Bxe5#
- 1...Qf6+
- 2.Bg5#
- 1...Qh8+
- 2.Bh6#
- 1...Qd2
- 2.Bxd2#
- 1...Qxf4+
- 2.Rxf4#
- 2.Qxf4#
- 1...Qxd6
- 2.Bxd6#
- 1...e5
- 2.Bh3#
- 2.Rg5#
- 1...f6
- 2.Bh3#
- 2.Qxe6#
- 1...Qa1
- Tries
- 1.Scxe6?
- 1...Qf6+
- 2.Bg5#
- 1...Qh8+
- 2.Bh6#
- 1...Qxf4+
- 2.Rxf4#
- 2.Qxf4#
- 1...Kf6
- 2.Sxd4#
- 1...Qxd6
- 2.Bxd6#
- 1...Sxd8
- 2.Sxd4#
- 1...fxe6
- 2.Qxe6#
- 1...Qg7
- 2.Sxg7#
- 1...Qa1
- 2.Bc1#
- 1...Qg1
- 2.Sg7#
- 1...Qb2
- 2.Bd2#
- 1...Qf2
- 2.Sg7#
- 1...Qc3
- 2.Be3#
- 1...Qe3
- 2.Sg7#
- 2.Bxe3#
- 1...Qc5
- 2.Sg7#
- 2.Be3#
- 1...Qe5
- 2.Bxe5#
- 1...Qb6
- 2.Sg7#
- 2.Be3#
- 1...Qa7
- 2.Sg7#
- 2.Be3#
- 1...Qd1
- 2.Sg7#
- 1...Qd2
- 2.Sg7#
- 2.Bxd2#
- 1...Qd3
- 2.Sg7#
- 1...Qa4
- 2.Sg7#
- 1...Qb4
- 2.Sg7#
- 1...Qc4
- 2.Sg7#
- 1...Qe4
- 2.Sg7#
- 1...Qd5
- 2.Sg7#
- 1...Sb4
- 2.Sxd4#
- 1...Sa5
- 2.Sxd4#
- 1...Se5
- 2.Sxd4#
- 2.Sg7#
- 1...Sa7
- 2.Sxd4#
- 1...Se7
- 2.Sxd4#
- 1...Sb8
- 2.Sxd4#
- 1...f6!
- 1...Qf6+
- 1.Be4+?
- 1...Kf6
- 2.Be3#
- 2.Be5#
- 2.Bg5#
- 1...Qxe4!
- 1...Kf6
- 1.Qxd4?
- threat
- 2.Bh3#
- 2.Be4#
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bxg3#
- 2.Be5#
- 2.Bg5#
- 2.Bd6#
- 2.Bh6#
- 2.Bc7#
- 2.Bb8#
- 2.Rg5#
- 1...Se5
- 2.Bxe5#
- 2.Qxe5#
- 1...e5
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bxg3#
- 2.Bxe5#
- 2.Bg5#
- 2.Bh6#
- 1...Sb8
- 2.Bh3#
- 2.Be4#
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bxg3#
- 2.Be5#
- 2.Bg5#
- 2.Bd6#
- 2.Bh6#
- 2.Bc7#
- 2.Bxb8#
- 2.Rg5#
- 2.Qe5#
- 1...f6
- 2.Bh3#
- 2.Be4#
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bxg3#
- 2.Be5#
- 2.Bg5#
- 2.Bd6#
- 2.Bh6#
- 2.Bc7#
- 2.Bb8#
- 2.Qd3#
- 2.Qe4#
- 1...Sxd4!
- threat
- 1.Scxe6?
- Keys
- 1.Sdxe6!
- 1...Qf6+
- 2.Bg5#
- 1...Qh8+
- 2.Bh6#
- 1...Qxf4+
- 2.Rxf4#
- 2.Qxf4#
- 1...Kf6
- 2.Sxd4#
- 1...Qxc5
- 2.Sg7#
- 2.Be3#
- 1...Qxd6
- 2.Bxd6#
- 1...fxe6
- 2.Qxe6#
- 1...Qg7
- 2.Sxg7#
- 1...Qa1
- 2.Bc1#
- 1...Qg1
- 2.Sg7#
- 1...Qb2
- 2.Bd2#
- 1...Qf2
- 2.Sg7#
- 1...Qc3
- 2.Be3#
- 1...Qe3
- 2.Sg7#
- 2.Bxe3#
- 1...Qe5
- 2.Bxe5#
- 1...Qd1
- 2.Sg7#
- 1...Qd2
- 2.Sg7#
- 2.Bxd2#
- 1...Qd3
- 2.Sg7#
- 1...Qa4
- 2.Sg7#
- 1...Qb4
- 2.Sg7#
- 1...Qc4
- 2.Sg7#
- 1...Qe4
- 2.Sg7#
- 1...Qd5
- 2.Sg7#
- 1...Sb4
- 2.Sxd4#
- 1...Sa5
- 2.Sxd4#
- 1...Se5
- 2.Sxd4#
- 2.Sg7#
- 1...Sa7
- 2.Sxd4#
- 1...Se7
- 2.Sxd4#
- 1...Sb8
- 2.Sxd4#
- 1...Sd8
- 2.Sxd4#
- 1...f6
- 2.Bh3#
- 1...Qf6+
- 1.Sdxe6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 19
- REMOVED MATES = 3
- Sets
- Q(b);N_PINB(C)::R(A)+B(C)
- Q(b);N_PINB(C)::R(A)+B(C),XQ(b)
- Q(b);N_PINB(C),XS(E)::R(A)+B(C)
- Q(b);CHECK,N_PINB(C)::R(A)+B(C)
- Q(b);N_PINB(C),XQ(F)::R(A)+B(C),XQ(b)
- Tries
- Try
- S(E);XP(e)
- Vars
- Q(b);CHECK,N_PINB(C)::R(A)+B(C)
- K(c);P-FLIGHT::QAR(F)+S(E),XQ(b)
- Q(b);N_PINB(C),XQ(F)::R(A)+B(C),XQ(b)
- S(d);N_GUARD,XS(H)::S(E),XQ(b)
- P(f);OGATE,XS(E)::QAB1(F),XP(f)
- Q(b);N_GUARD,N_PINB(C)::S(E),XQ(b)
- Q(b);N_PINB(C)::R(A)+B(C)
- Q(b);N_GUARD,N_PINB(C)::S(E)
- Q(b);N_PINB(C)::R(A)+B(C),XQ(b)
- Q(b);N_GUARD::S(E)
- S(d);N_GUARD::S(E),XQ(b)
- Refutation
- P(f);
- Try
- B(B);CHECK,N_SPINB(C)
- Refutation
- Q(b);P_PINB(C),XB(B)
- Try
- Q(F);N_SPINB(C),XQ(b)
- Threat
- DUALS(13)
- Refutation
- S(d);XQ(F)
- Try
- Actual
- S(H);XP(e)
- Vars
- Q(b);CHECK,N_PINB(C)::R(A)+B(C)
- K(c);P-FLIGHT::QAR(F)+S(H),XQ(b)
- Q(b);N_PINB(C),XQ(F)::R(A)+B(C),XQ(b)
- P(f);OGATE,XS(H)::QAB1(F),XP(f)
- Q(b);N_GUARD,N_PINB(C)::S(H),XQ(b)
- Q(b);N_PINB(C)::R(A)+B(C)
- Q(b);N_GUARD,N_PINB(C)::S(H)
- Q(b);N_PINB(C)::R(A)+B(C),XQ(b)
- Q(b);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XQ(b)
- P(f);SBLOCK::B(B)
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).