MESON Chess Problem Database
Problem Display
PID: 174801 (8/1Kp2p2/1n2B2R/Q2p4/2PkpR2/5P2/1N1B4/8 w - - 0 1)
Barth, Michael
Schweizerische Schachzeitung, 2006
#2
9 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sa4
- 2.Qxd5#
- 1...Sxc4
- 2.Qxd5#
- 1...Sd7
- 2.Qxd5#
- 1...Sa8
- 2.Qxd5#
- 1...Sc8
- 2.Qxd5#
- 1...dxc4
- 2.Rxe4#
- 1...c5
- 2.Qc3#
- 1...Sa4
- Tries
- 1.Bxd5?
- threat
- 2.Rxe4#
- 1...Ke5
- 2.Qc3#
- 1...f5!
- threat
- 1.Qc5+?
- 1...Ke5
- 2.Rxe4#
- 2.Rf5#
- 1...Kxc5!
- 1...Ke5
- 1.cxd5?
- threat
- 2.Rxe4#
- 2.Qc3#
- 1...Sxd5
- 2.Rxe4#
- 2.Qxd5#
- 1...fxe6
- 2.Rxe4#
- 1...Sa4
- 2.Rxe4#
- 1...Sc4
- 2.Rxe4#
- 1...f5
- 2.Qc3#
- 1...Ke5!
- threat
- 1.Bxd5?
- Keys
- 1.Kc6!
- threat
- 2.Qc3#
- 1...Ke5
- 2.Rxe4#
- 1...Sa4
- 2.Qxd5#
- threat
- 1.Kc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- S(d);N_GUARD::QAR1(F),XP(c)
- S(d);N_GUARD,XP(D)::QAR1(F),XP(c)
- P(c);N_GUARD,XP(D)::R1(E),XP(b)
- P(e);SBLOCK::QAB1(F)
- Tries
- Try
- B(G);XP(c)
- Threat
- R1(E),XP(b)
- Vars
- K(a);N_SPINP(b),S_FLIGHT::QAB(F)
- Refutation
- P(f);
- Try
- Q(F);CHECK
- Refutation
- K(a);N_SPINP(b),S_FLIGHT,XQ(F)
- Try
- P(D);XP(c)
- Threat
- DUALS(2)
- Vars
- P(f);XB(G)::R1(E),XP(b)
- S(d);::R1(E),XP(b)
- P(f);::QAB1(F)
- Refutation
- K(a);N_SPINP(b),S_FLIGHT
- Try
- Actual
- K(I);S_FLIGHT
- Threat
- QAB1(F)
- Vars
- K(a);N_SPINP(b),P_SPINP(c),S_FLIGHT::R1(E),XP(b)
- S(d);N_GUARD::QAR1(F),XP(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).