MESON Chess Problem Database
Problem Display
PID: 89782 (1KN5/8/8/1p6/kr6/2Q1B3/8/1b6 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Die Schwalbe, 1999
#2
4 + 4
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rb2
- 2.Sb6#
- 1...Rc4
- 2.Sb6#
- 1...Rd4
- 2.Sb6#
- 1...Re4
- 2.Sb6#
- 1...Rf4
- 2.Sb6#
- 1...Rg4
- 2.Sb6#
- 1...Rh4
- 2.Sb6#
- 1...Rb2
- Tries
- 1.Bc1?
- threat
- 2.Qa3#
- 1...Rb2
- 2.Sb6#
- 1...Rb3
- 2.Sb6#
- 1...Ka5!
- threat
- 1.Bc5?
- threat
- 2.Qxb4#
- 1...Rb3
- 2.Sb6#
- 1...Rb2
- 2.Sb6#
- 2.Qa3#
- 1...Rc4
- 2.Sb6#
- 2.Qa3#
- 1...Rd4
- 2.Sb6#
- 2.Qa3#
- 1...Re4
- 2.Sb6#
- 2.Qa3#
- 1...Rf4
- 2.Sb6#
- 2.Qa3#
- 1...Rg4
- 2.Sb6#
- 2.Qa3#
- 1...Rh4
- 2.Sb6#
- 2.Qa3#
- 1...Ka5!
- threat
- 1.Qa1+?
- 1...Ba2
- 2.Qxa2#
- 1...Kb3!
- 1...Ba2
- 1.Bc1?
- Keys
- 1.Bd2!
- threat
- 2.Qxb4#
- 1...Ka5
- 2.Qa3#
- 1...Rb2
- 2.Sb6#
- 1...Rb3
- 2.Qa5#
- 1...Rc4
- 2.Sb6#
- 1...Rd4
- 2.Sb6#
- 1...Re4
- 2.Sb6#
- 1...Rf4
- 2.Sb6#
- 1...Rg4
- 2.Sb6#
- 1...Rh4
- 2.Sb6#
- threat
- 1.Bd2!
Anticipated by 172453(1997)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(c);::S(D)
- R(c);SBLOCK::S(D)
- Tries
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- R(c);::S(D)
- Refutation
- K(b);P-FLIGHT,P_SPINR(c)
- Try
- B(B);
- Threat
- QAR1(A),XR(c)
- Vars
- R(c);::S(D)
- Refutation
- K(b);P-FLIGHT,P_SPINR(c)
- Try
- Q(A);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAR2(A),XB(a)
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- B(B);
- Threat
- QAR1(A),XR(c)
- Vars
- K(b);P-FLIGHT,P_SPINR(c)::QAR2(A)
- R(c);::S(D)
- R(c);OGATE,SBLOCK::QAR1(A)
- R(c);SBLOCK::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).