MESON Chess Problem Database
Problem Display
PID: 258636 (8/6p1/8/8/6p1/5BBk/5K2/4Q1r1 w - - 0 1)
Kuzmichev, Vladimir Viktorovich
64 Shakhmatnoe obozrenie, 2022
#2
4 + 4
SOLUTION
- SOUND
- Sets
- 1...Rxe1
- 2.Bg2#
- 1...Rf1+
- 2.Qxf1#
- 1...Rh1
- 2.Bg2#
- 2.Qxh1#
- 1...Rg2+
- 2.Bxg2#
- 1...Rxg3
- 2.Qh1#
- 1...gxf3
- 2.Qe6#
- 1...Rxe1
- Tries
- 1.Qa1?
- 1...Rf1+
- 2.Qxf1#
- 1...Rg2+
- 2.Bxg2#
- 1...Rxa1
- 2.Bg2#
- 1...Rxg3
- 2.Qh1#
- 1...g5
- 2.Qh8#
- 1...Rb1
- 2.Bg2#
- 1...Rc1
- 2.Bg2#
- 1...Rd1
- 2.Bg2#
- 1...Re1
- 2.Bg2#
- 1...Rh1
- 2.Bg2#
- 2.Qxh1#
- 1...g6
- 2.Qh8#
- 1...gxf3!
- 1...Rf1+
- 1.Qb1?
- threat
- 2.Qh7#
- 1...Rf1+
- 2.Qxf1#
- 1...Rg2+
- 2.Bxg2#
- 1...Rxb1
- 2.Bg2#
- 1...gxf3
- 2.Qf5#
- 1...g6!
- threat
- 1.Qc1?
- 1...Rf1+
- 2.Qxf1#
- 1...Rg2+
- 2.Bxg2#
- 1...Rxc1
- 2.Bg2#
- 1...Rxg3
- 2.Qh1#
- 1...gxf3
- 2.Qc8#
- 1...Rd1
- 2.Bg2#
- 1...Re1
- 2.Bg2#
- 1...Rh1
- 2.Bg2#
- 2.Qxh1#
- 1...g6
- 2.Qh6#
- 1...g5!
- 1...Rf1+
- 1.Qf1+?
- 1...Rg2+
- 2.Bxg2#
- 2.Qxg2#
- 1...Rxf1+!
- 1...Rg2+
- 1.Qe2?
- threat
- 2.Bxg4#
- 1...Rf1+
- 2.Qxf1#
- 1...Rg2+
- 2.Bxg2#
- 1...gxf3
- 2.Qe6#
- 1...Rxg3!
- threat
- 1.Qe4?
- threat
- 2.Bxg4#
- 2.Qh7#
- 2.Qxg4#
- 1...Rg2+
- 2.Bxg2#
- 1...Rxg3
- 2.Qh7#
- 1...gxf3
- 2.Qf5#
- 2.Qh4#
- 2.Qe6#
- 1...g6
- 2.Bxg4#
- 2.Qxg4#
- 1...Rf1+!
- threat
- 1.Qe5?
- threat
- 2.Qh5#
- 1...Rg2+
- 2.Bxg2#
- 1...g5
- 2.Qh8#
- 1...g6
- 2.Qh8#
- 1...Rf1+!
- threat
- 1.Qe8?
- threat
- 2.Qh5#
- 2.Qh8#
- 1...Rg2+
- 2.Bxg2#
- 1...gxf3
- 2.Qh5#
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...g6
- 2.Qh8#
- 1...Rf1+!
- threat
- 1.Qa1?
- Keys
- 1.Qd1!
- threat
- 2.Bxg4#
- 1...Rf1+
- 2.Qxf1#
- 1...Rg2+
- 2.Bxg2#
- 1...Rxd1
- 2.Bg2#
- 1...Rxg3
- 2.Qh1#
- 1...gxf3
- 2.Qd7#
- threat
- 1.Qd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(a);N_GUARD,XQ(A)::B(C)
- R(a);CHECK,N_GUARD::QAB(A),XR(a)
- R(a);CHECK,N_GUARD::B(C),XR(a)
- R(a);OGATE,XB(D)::QAR2(A)
- P(c);OGATEB,XB(C)::QAB(A)
- Tries
- Try
- Q(A);
- Vars
- R(a);CHECK,N_GUARD::QAB(A),XR(a)
- R(a);CHECK,N_GUARD::B(C),XR(a)
- R(a);N_GUARD,XQ(A)::B(C)
- R(a);OGATE,XB(D)::QAR2(A)
- P(d);OGATE::QAR(A)
- R(a);N_GUARD::B(C)
- Refutation
- P(c);XB(C)
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- R(a);CHECK,N_GUARD::QAB(A),XR(a)
- R(a);CHECK,N_GUARD::B(C),XR(a)
- R(a);N_GUARD,XQ(A)::B(C)
- P(c);OGATEB,XB(C)::QAB(A)
- Refutation
- P(d);
- Try
- Q(A);
- Vars
- R(a);CHECK,N_GUARD::QAB(A),XR(a)
- R(a);CHECK,N_GUARD::B(C),XR(a)
- R(a);N_GUARD,XQ(A)::B(C)
- R(a);OGATE,XB(D)::QAR2(A)
- P(c);OGATEB,XB(C)::QAB(A)
- R(a);N_GUARD::B(C)
- P(d);N_GUARD::QAR(A)
- Refutation
- P(d);
- Try
- Q(A);CHECK
- Refutation
- R(a);CHECK,XQ(A)
- Try
- Q(A);
- Threat
- B(C),XP(c)
- Vars
- R(a);CHECK,N_GUARD::QAB(A),XR(a)
- R(a);CHECK,N_GUARD::B(C),XR(a)
- P(c);OGATEB,XB(C)::QAB(A)
- Refutation
- R(a);XB(D)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- R(a);CHECK,N_GUARD::B(C),XR(a)
- R(a);XB(D)::QAR(A)
- Refutation
- R(a);CHECK
- Try
- Q(A);
- Threat
- QAR2(A)
- Vars
- R(a);CHECK,N_GUARD::B(C),XR(a)
- P(d);OGATE::QAR(A)
- Refutation
- R(a);CHECK
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,N_GUARD::B(C),XR(a)
- P(d);::QAR(A)
- Refutation
- R(a);CHECK
- Try
- Actual
- Q(A);
- Threat
- B(C),XP(c)
- Vars
- R(a);CHECK,N_GUARD::QAB(A),XR(a)
- R(a);CHECK,N_GUARD::B(C),XR(a)
- R(a);N_GUARD,XQ(A)::B(C)
- R(a);OGATE,XB(D)::QAR2(A)
- P(c);OGATEB,XB(C)::QAB(A)
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).