MESON Chess Problem Database
Problem Display
PID: 109373 (8/4B3/8/2p1k1NK/2Qb2P1/8/3P4/8 w - - 0 1)
Silva, Augusto
La Presse, 1899
#2
6 + 3
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Kf4
- 2.Bd6#
- 1...Ba1
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bg1
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bb2
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bf2
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bc3
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Be3
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Kf4
- Tries
- 1.Kh4?
- 1...Kf4
- 2.Bd6#
- 1...Ba1
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bg1
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bb2
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bc3
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Be3
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bf2+!
- 1...Kf4
- 1.Kg6?
- 1...Ba1
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bg1
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bb2
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bf2
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bc3
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Be3
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Kf4!
- 1...Ba1
- 1.Kh6?
- 1...Ba1
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bg1
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bb2
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bf2
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bc3
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Be3
- 2.Qe4#
- 1...Kf4!
- 1...Ba1
- 1.Bd6+?
- 1...Kf6
- 2.Qf7#
- 1...Kxd6!
- 1...Kf6
- 1.Qe2+?
- 1...Kf4
- 2.Qh2#
- 1...Kd5
- 2.Qe6#
- 1...Be3!
- 1...Kf4
- 1.Qa6?
- threat
- 2.Qd6#
- 1...Kd5
- 2.Qe6#
- 1...Kf4!
- threat
- 1.d3?
- 1...Ba1
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bg1
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bb2
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bf2
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Bc3
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Be3
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Kf4!
- 1...Ba1
- 1.Kh4?
- Keys
- 1.Bd8!
- 1...Kf4
- 2.Bc7#
- 1...Kd6
- 2.Qe6#
- 1...Ba1
- 2.Sf7#
- 1...Bg1
- 2.Sf7#
- 1...Bb2
- 2.Sf7#
- 1...Bf2
- 2.Sf7#
- 1...Bc3
- 2.Sf7#
- 1...Be3
- 2.Sf7#
- 1...Kf4
- 1.Bd8!
This anticipates 160830(1904)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- K(c);P_SPINB(a),S_FLIGHT::B(F)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- K(c);P_SPINB(a),S_FLIGHT::B(F)
- Refutation
- B(a);CHECK
- Try
- K(E);S_FLIGHT
- Refutation
- K(c);P_SPINB(a),S_FLIGHT
- Try
- K(E);P-FLIGHT
- Vars
- B(a);OGATE,P_PINS(D)::QAR1(B)
- Refutation
- K(c);P_SPINB(a),S_FLIGHT
- Try
- B(F);CHECK
- Vars
- K(c);S_FLIGHT::QAR1(B)
- Refutation
- K(c);S_FLIGHT,XB(F)
- Try
- Q(B);CHECK
- Vars
- K(c);S_FLIGHT::QAB(B)
- K(c);OGATE,P-FLIGHT::QAB1(B)
- Refutation
- B(a);P_SPINB(a)
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- K(c);P-FLIGHT::QAB1(B)
- Refutation
- K(c);S_FLIGHT
- Try
- P(A);
- Refutation
- K(c);P_SPINB(a),S_FLIGHT
- Try
- Actual
- B(F);
- Vars
- K(c);P_SPINB(a),S_FLIGHT::B(F)
- K(c);S_FLIGHT::QAR1(B)
- B(a);::S(D)
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).