MESON Chess Problem Database
Problem Display
PID: 245055 (R7/1n6/8/1k1K4/3B4/1r6/3Q4/8 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Smena (Moscow), 1997
#2
4 + 3
| 5454 | Near Snap | 2021 |
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rb2
- 2.Qxb2#
- 1...Sa5
- 2.Rxa5#
- 2.Qxa5#
- 1...Sc5
- 2.Qa5#
- 1...Sd6
- 2.Ra5#
- 2.Qa5#
- 1...Sd8
- 2.Ra5#
- 2.Qa5#
- 1...Rb2
- Tries
- 1.Bc5?
- 1...Rd3+
- 2.Qxd3#
- 1...Sxc5
- 2.Qa5#
- 1...Sa5
- 2.Rxa5#
- 2.Qxa5#
- 1...Rb1
- 2.Qe2#
- 2.Qd3#
- 1...Rb2
- 2.Qxb2#
- 2.Qd3#
- 1...Ra3
- 2.Qb4#
- 1...Re3
- 2.Qb4#
- 1...Rf3
- 2.Qb4#
- 1...Rg3
- 2.Qb4#
- 1...Rh3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Sd6
- 2.Ra5#
- 2.Qa5#
- 1...Sd8
- 2.Ra5#
- 2.Qa5#
- 1...Rc3!
- 1...Rd3+
- 1.Qc3?
- threat
- 2.Qxb3#
- 2.Qc4#
- 1...Sa5
- 2.Rxa5#
- 2.Qxa5#
- 1...Sc5
- 2.Qa5#
- 2.Qxc5#
- 1...Rb1
- 2.Qc4#
- 1...Rb2
- 2.Qxb2#
- 2.Qc4#
- 1...Ra3
- 2.Qc4#
- 1...Rb4
- 2.Qc6#
- 1...Sd6
- 2.Ra5#
- 2.Qa5#
- 2.Qxb3#
- 2.Qc5#
- 1...Rxc3!
- threat
- 1.Qc2?
- threat
- 2.Qxb3#
- 2.Qc4#
- 1...Kb4
- 2.Qc4#
- 1...Sc5
- 2.Qxc5#
- 1...Rc3
- 2.Qa4#
- 1...Rb1
- 2.Qxb1#
- 2.Qa4#
- 2.Qc4#
- 1...Rb2
- 2.Qa4#
- 2.Qxb2#
- 2.Qc4#
- 1...Ra3
- 2.Qc4#
- 1...Rd3
- 2.Qa4#
- 2.Qc4#
- 1...Re3
- 2.Qa4#
- 2.Qc4#
- 1...Rf3
- 2.Qa4#
- 2.Qc4#
- 1...Rg3
- 2.Qa4#
- 2.Qc4#
- 1...Rh3
- 2.Qa4#
- 2.Qc4#
- 1...Rb4
- 2.Qc6#
- 1...Sd6
- 2.Qxb3#
- 2.Qc5#
- 1...Sa5!
- threat
- 1.Qe2+?
- 1...Kb4
- 2.Qc4#
- 1...Rd3!
- 1...Kb4
- 1.Qd3+?
- 1...Kb4
- 2.Qc4#
- 1...Rxd3!
- 1...Kb4
- 1.Bc5?
- Keys
- 1.Qa2!
- threat
- 2.Qxb3#
- 2.Qa4#
- 1...Kb4
- 2.Qa4#
- 1...Sc5
- 2.Qa5#
- 1...Rc3
- 2.Qa4#
- 1...Rb1
- 2.Qxb1#
- 2.Qc4#
- 2.Qa4#
- 1...Rb2
- 2.Qc4#
- 2.Qxb2#
- 2.Qa4#
- 1...Ra3
- 2.Qc4#
- 1...Rd3
- 2.Qc4#
- 2.Qa4#
- 1...Re3
- 2.Qc4#
- 2.Qa4#
- 1...Rf3
- 2.Qc4#
- 2.Qa4#
- 1...Rg3
- 2.Qc4#
- 2.Qa4#
- 1...Rh3
- 2.Qc4#
- 2.Qa4#
- 1...Rb4
- 2.Qa6#
- 1...Sa5
- 2.Qxa5#
- threat
- 1.Qa2!
Anticipated by 46475(1997)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- R(a);OGATEB::QAR(A),XR(a)
- S(c);N_GUARD::QAR1(A)
- Tries
- Try
- B(B);
- Vars
- R(a);CHECK,N_GUARD::QAB(A),XR(a)
- S(c);N_GUARD,XB(B)::QAR1(A)
- R(a);N_GUARD::QAR1(A)
- R(a);N_GUARD::QAR1(A),XR(a)
- Refutation
- R(a);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(a);::QAB1(A)
- R(a);SBLOCK::QAB1(A)
- Refutation
- R(a);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT::QAR1(A)
- S(c);N_GUARD::QAR1(A),XS(c)
- R(a);OGATE::QAB1(A)
- R(a);::QAB1(A)
- R(a);SBLOCK::QAB1(A)
- Refutation
- S(c);
- Try
- Q(A);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- Refutation
- R(a);P_PINB(B),P_SPINR(a)
- Try
- Q(A);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- Refutation
- R(a);P_PINB(B),XQ(A)
- Try
- Actual
- Q(A);
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT::QAR1(A)
- S(c);N_GUARD::QAR1(A)
- R(a);::QAB1(A)
- R(a);OGATE::QAB1(A)
- R(a);SBLOCK::QAB1(A)
- S(c);N_GUARD::QAR1(A),XS(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).