MESON Chess Problem Database
Problem Display
PID: 132574 (8/4N1Q1/p2ppn1p/Bp2k2P/1R2b3/4p3/4K3/4Nn2 w - - 0 1)
Koltanowski, George
Source?, 0000
#2
7 + 10
| 2425 | San Francisco Chronicle | 0000 |
SOLUTION
- SOUND
- Sets
- 1...Kf4
- 2.Sd3#
- 1...Bb1
- 2.Sf3#
- 1...Bh1
- 2.Sd3#
- 1...Bc2
- 2.Sf3#
- 1...Bg2
- 2.Sd3#
- 1...Bd3+
- 2.Sxd3#
- 1...Bf3+
- 2.Sxf3#
- 1...Bd5
- 2.Sd3#
- 1...Bf5
- 2.Sf3#
- 1...Bc6
- 2.Sd3#
- 1...Bg6
- 2.Sf3#
- 1...Bb7
- 2.Sd3#
- 1...Bh7
- 2.Sf3#
- 1...Ba8
- 2.Sd3#
- 1...Sd2
- 2.Qg3#
- 1...Sh2
- 2.Qg3#
- 1...Sg3+
- 2.Qxg3#
- 1...d5
- 2.Bc7#
- 1...Kf4
- Tries
- 1.Bb6?
- 1...Bd3+
- 2.Sxd3#
- 1...Bf3+
- 2.Sxf3#
- 1...Sg3+
- 2.Qxg3#
- 1...Kf4
- 2.Sd3#
- 1...d5
- 2.Bc7#
- 1...Bb1
- 2.Sf3#
- 1...Bh1
- 2.Sd3#
- 1...Bc2
- 2.Sf3#
- 1...Bg2
- 2.Sd3#
- 1...Bd5
- 2.Sd3#
- 1...Bf5
- 2.Sf3#
- 1...Bc6
- 2.Sd3#
- 1...Bg6
- 2.Sf3#
- 1...Bb7
- 2.Sd3#
- 1...Bh7
- 2.Sf3#
- 1...Ba8
- 2.Sd3#
- 1...Sd2
- 2.Qg3#
- 1...Sh2
- 2.Qg3#
- 1...a5!
- 1...Bd3+
- 1.Bc7?
- 1...Bd3+
- 2.Sxd3#
- 1...Bf3+
- 2.Sxf3#
- 1...Sg3+
- 2.Qxg3#
- 1...Kf4
- 2.Sd3#
- 1...Bb1
- 2.Sf3#
- 1...Bh1
- 2.Sd3#
- 1...Bc2
- 2.Sf3#
- 1...Bg2
- 2.Sd3#
- 1...Bd5
- 2.Sd3#
- 1...Bf5
- 2.Sf3#
- 1...Bc6
- 2.Sd3#
- 1...Bg6
- 2.Sf3#
- 1...Bb7
- 2.Sd3#
- 1...Bh7
- 2.Sf3#
- 1...Ba8
- 2.Sd3#
- 1...Sd2
- 2.Qg3#
- 1...Sh2
- 2.Qg3#
- 1...a5!
- 1...Bd3+
- 1.Bd8?
- 1...Bd3+
- 2.Sxd3#
- 1...Bf3+
- 2.Sxf3#
- 1...Sg3+
- 2.Qxg3#
- 1...Kf4
- 2.Sd3#
- 1...d5
- 2.Bc7#
- 1...Bb1
- 2.Sf3#
- 1...Bh1
- 2.Sd3#
- 1...Bc2
- 2.Sf3#
- 1...Bg2
- 2.Sd3#
- 1...Bd5
- 2.Sd3#
- 1...Bf5
- 2.Sf3#
- 1...Bc6
- 2.Sd3#
- 1...Bg6
- 2.Sf3#
- 1...Bb7
- 2.Sd3#
- 1...Bh7
- 2.Sf3#
- 1...Ba8
- 2.Sd3#
- 1...Sd2
- 2.Qg3#
- 1...Sh2
- 2.Qg3#
- 1...a5!
- 1...Bd3+
- 1.Qg5+?
- 1...Bf5
- 2.Sd3#
- 2.Sf3#
- 2.Qf4#
- 1...hxg5!
- 1...Bf5
- 1.Bb6?
- Keys
- 1.Qg6!
- 1...Bd3+
- 2.Sxd3#
- 1...Bf3+
- 2.Sxf3#
- 1...Sg3+
- 2.Qxg3#
- 1...Kf4
- 2.Sd3#
- 1...Bxg6
- 2.Sf3#
- 1...Sxh5
- 2.Rxe4#
- 1...d5
- 2.Bc7#
- 1...Bb1
- 2.Sf3#
- 1...Bh1
- 2.Sd3#
- 1...Bc2
- 2.Sf3#
- 1...Bg2
- 2.Sd3#
- 1...Bd5
- 2.Sd3#
- 1...Bf5
- 2.Sf3#
- 1...Bc6
- 2.Sd3#
- 1...Bb7
- 2.Sd3#
- 1...Ba8
- 2.Sd3#
- 1...Sd2
- 2.Qg3#
- 1...Sh2
- 2.Qg3#
- 1...Sg4
- 2.Rxe4#
- 1...Sd5
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...Se8
- 2.Rxe4#
- 1...Sg8
- 2.Rxe4#
- 1...Bd3+
- 1.Qg6!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 1
- Sets
- K(e);N_SPINS(i),P_SPINB(c),S_FLIGHT::S(A)
- B(c);N_GUARD::S(A)
- B(c);CHECK,N_GUARD::S(A),XB(c)
- S(a);N_GUARD::QAB(G)
- S(a);CHECK,N_GUARD::QAB(G),XS(a)
- P(g);OGATEB::B(D)
- Tries
- Try
- B(D);
- Vars
- B(c);CHECK,N_GUARD::S(A),XB(c)
- S(a);CHECK,N_GUARD::QAB(G),XS(a)
- K(e);N_SPINS(i),P_SPINB(c),S_FLIGHT::S(A)
- P(g);OGATEB::B(D)
- B(c);N_GUARD::S(A)
- S(a);N_GUARD::QAB(G)
- Refutation
- P(f);
- Try
- B(D);P_PINP(g)
- Vars
- B(c);CHECK,N_GUARD::S(A),XB(c)
- S(a);CHECK,N_GUARD::QAB(G),XS(a)
- K(e);N_SPINS(i),P_SPINB(c),S_FLIGHT::S(A)
- B(c);N_GUARD::S(A)
- S(a);N_GUARD::QAB(G)
- Refutation
- P(f);
- Try
- B(D);
- Vars
- B(c);CHECK,N_GUARD::S(A),XB(c)
- S(a);CHECK,N_GUARD::QAB(G),XS(a)
- K(e);N_SPINS(i),P_SPINB(c),S_FLIGHT::S(A)
- P(g);OGATEB::B(D)
- B(c);N_GUARD::S(A)
- S(a);N_GUARD::QAB(G)
- Refutation
- P(f);
- Try
- Q(G);CHECK,N_PINS(i)
- Refutation
- P(j);XQ(G)
- Try
- Actual
- Q(G);N_PINS(i)
- Vars
- B(c);CHECK,N_GUARD::S(A),XB(c)
- S(a);CHECK,N_GUARD::QAB(G),XS(a)
- K(e);P_SPINB(c),S_FLIGHT::S(A)
- B(c);N_GUARD,XQ(G)::S(A)
- S(i);N_GUARD,XP(E)::R1(C),XB(c)
- P(g);OGATEB::B(D)
- B(c);N_GUARD::S(A)
- S(a);N_GUARD::QAB(G)
- S(i);N_GUARD::R1(C),XB(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).