MESON Chess Problem Database
Problem Display
PID: 15943 (8/1Q6/2b5/8/r1R5/kN6/8/K7 w - - 0 1)
Pypa, Volodimir Iosifovich
Sp. Prize=, Serp i molot, 1989
#2
4 + 3
| 2838 | Fun with Chess Miniatures | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Rb4
- 2.Qxb4#
- 1...Ra5
- 2.Qb4#
- 1...Ra6
- 2.Qb4#
- 1...Ra7
- 2.Qb4#
- 1...Ra8
- 2.Qb4#
- 1...Rb4
- Tries
- 1.Sc1?
- threat
- 2.Rc3#
- 2.Qb2#
- 2.Qb3#
- 1...Rxc4
- 2.Qb3#
- 1...Rb4
- 2.Qxb4#
- 1...Ra5
- 2.Qb2#
- 2.Qb3#
- 2.Qb4#
- 1...Ra6
- 2.Qb2#
- 2.Qb3#
- 2.Qb4#
- 2.Qe7#
- 1...Ra7
- 2.Qb2#
- 2.Qb3#
- 2.Qb4#
- 1...Ra8
- 2.Qb2#
- 2.Qb3#
- 2.Qb4#
- 2.Qe7#
- 1...Bb5
- 2.Qf3#
- 1...Bd5
- 2.Qb2#
- 2.Qb3#
- 1...Bxb7!
- threat
- 1.Sd2?
- threat
- 2.Sb1#
- 2.Rc3#
- 2.Qb2#
- 2.Qb3#
- 1...Rxc4
- 2.Qb3#
- 1...Rb4
- 2.Qxb4#
- 1...Ra5
- 2.Sb1#
- 2.Qb2#
- 2.Qb3#
- 2.Qb4#
- 1...Ra6
- 2.Sb1#
- 2.Qb2#
- 2.Qb3#
- 2.Qb4#
- 2.Qe7#
- 1...Ra7
- 2.Sb1#
- 2.Qb2#
- 2.Qb3#
- 2.Qb4#
- 1...Ra8
- 2.Sb1#
- 2.Qb2#
- 2.Qb3#
- 2.Qb4#
- 2.Qe7#
- 1...Be4
- 2.Rc3#
- 2.Qb2#
- 2.Qb3#
- 1...Bb5
- 2.Qf3#
- 1...Bd5
- 2.Sb1#
- 2.Qb2#
- 2.Qb3#
- 1...Bxb7!
- threat
- 1.Sd4?
- threat
- 2.Sc2#
- 2.Rc3#
- 2.Qb2#
- 2.Qb3#
- 1...Rxc4
- 2.Qb3#
- 1...Rb4
- 2.Qxb4#
- 1...Ra5
- 2.Sc2#
- 2.Qb2#
- 2.Qb3#
- 2.Qb4#
- 1...Ra6
- 2.Sc2#
- 2.Qb2#
- 2.Qb3#
- 2.Qb4#
- 2.Qe7#
- 1...Ra7
- 2.Sc2#
- 2.Qb2#
- 2.Qb3#
- 2.Qb4#
- 1...Ra8
- 2.Sc2#
- 2.Qb2#
- 2.Qb3#
- 2.Qb4#
- 2.Qe7#
- 1...Be4
- 2.Rc3#
- 2.Qb2#
- 2.Qb3#
- 1...Bb5
- 2.Qf3#
- 1...Bd5
- 2.Sc2#
- 2.Qb2#
- 2.Qb3#
- 1...Bxb7!
- threat
- 1.Sa5?
- threat
- 2.Rc3#
- 2.Qb2#
- 2.Qb3#
- 1...Rxc4
- 2.Qb3#
- 1...Rxa5
- 2.Qb2#
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Bb5
- 2.Qf3#
- 1...Bd5
- 2.Qb2#
- 2.Qb3#
- 1...Bxb7!
- threat
- 1.Qe7+?
- 1...Rb4
- 2.Qxb4#
- 1...Kxb3+!
- 1...Rb4
- 1.Sc1?
- Keys
- 1.Sc5!
- threat
- 2.Rc3#
- 2.Qb2#
- 2.Qb3#
- 1...Rxc4
- 2.Qb2#
- 2.Qb3#
- 1...Bxb7
- 2.Rxa4#
- 1...Rb4
- 2.Qxb4#
- 1...Bb5
- 2.Qf3#
- 1...Bd5
- 2.Rxa4#
- 2.Qb2#
- 2.Qb3#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- R(b);N_GUARD::QAB1(D),XR(b)
- R(b);N_GUARD::QAB1(D)
- Tries
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- R(b);XR(C)::QAR1(D)
- R(b);N_GUARD::QAB1(D),XR(b)
- B(c);OGATE::QAR(D)
- Refutation
- B(c);XQ(D)
- Try
- S(B);
- Threat
- DUALS(4)
- Vars
- R(b);XR(C)::QAR1(D)
- R(b);N_GUARD::QAB1(D),XR(b)
- B(c);OGATE::QAR(D)
- Refutation
- B(c);XQ(D)
- Try
- S(B);
- Threat
- DUALS(4)
- Vars
- R(b);XR(C)::QAR1(D)
- R(b);N_GUARD::QAB1(D),XR(b)
- B(c);OGATE::QAR(D)
- Refutation
- B(c);XQ(D)
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- R(b);XR(C)::QAR1(D)
- R(b);N_GUARD::QAB1(D),XR(b)
- B(c);OGATE::QAR(D)
- Refutation
- B(c);XQ(D)
- Try
- Q(D);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::QAB1(D),XR(b)
- Refutation
- K(a);CHECK,P-FLIGHT,XS(B)
- Try
- Actual
- S(B);
- Threat
- DUALS(3)
- Vars
- B(c);N_GUARD,XQ(D)::R1(C),XR(b)
- R(b);N_GUARD::QAB1(D),XR(b)
- B(c);OGATE::QAR(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).