MESON Chess Problem Database
Problem Display
PID: 142329 (1K6/B1R2B2/p1b5/pk1N4/5R2/prnN4/2Q5/3q4 w - - 0 1)
Shif, Vladimir Iosifovich
1st HM., Shakhmatny Listok, 1928
#2
8 + 8
| 14868 | Pirnie Collection | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Qe2
- 2.Qxb3#
- 1...Qf3
- 2.Qxb3#
- 1...Qg4
- 2.Qxb3#
- 1...Qh5
- 2.Qxb3#
- 1...Qa1
- 2.Qxb3#
- 1...Qc1
- 2.Qxb3#
- 1...Qe1
- 2.Qxb3#
- 1...Qf1
- 2.Qxb3#
- 1...Qg1
- 2.Qxb3#
- 1...Qh1
- 2.Qxb3#
- 1...Qd2
- 2.Qxb3#
- 1...Qxd3
- 2.Qxb3#
- 2.Qxd3#
- 1...Rb1
- 2.Sxc3#
- 1...Rb2
- 2.Sxc3#
- 1...Rb4
- 2.Sxc3#
- 1...Bxd5
- 2.Rc5#
- 1...Bb7
- 2.Rc5#
- 1...Bd7
- 2.Rc5#
- 1...Ba8
- 2.Rc5#
- 1...Be8
- 2.Bxe8#
- 2.Rc5#
- 1...Sb1
- 2.Qc4#
- 2.Qc5#
- 2.Qxc6#
- 1...Sa2
- 2.Qc4#
- 2.Qc5#
- 2.Qxc6#
- 1...Se2
- 2.Qc4#
- 2.Qc5#
- 2.Qxc6#
- 1...Sa4
- 2.Qc4#
- 2.Qxc6#
- 1...Se4
- 2.Qxc6#
- 1...Sxd5
- 2.Qc4#
- 2.Qc5#
- 2.Qxc6#
- 1...Qe2
- Tries
- 1.Be8?
- threat
- 2.Bxc6#
- 2.Rb7#
- 1...Bxe8
- 2.Rc5#
- 1...Sxd5
- 2.Bxc6#
- 2.Qc4#
- 2.Qc5#
- 2.Qxc6#
- 1...Se4
- 2.Bxc6#
- 2.Qxc6#
- 1...Qg1
- 2.Bxc6#
- 2.Qxb3#
- 1...Bd7
- 2.Bxd7#
- 2.Rc5#
- 1...Sa4
- 2.Bxc6#
- 2.Qc4#
- 2.Qxc6#
- 1...a4!
- threat
- 1.Rb4+?
- 1...Rxb4
- 2.Sxc3#
- 1...axb4!
- 1...Rxb4
- 1.Rc8?
- threat
- 2.Sc7#
- 1...Bxd5
- 2.Rc5#
- 1...Sxd5
- 2.Qc4#
- 2.Qc5#
- 2.Qxc6#
- 1...Se4
- 2.Qxc6#
- 1...Bb7
- 2.Rc5#
- 1...Bd7
- 2.Rc5#
- 1...Ba8
- 2.Rc5#
- 1...Be8
- 2.Bxe8#
- 2.Rc5#
- 1...a4!
- threat
- 1.Qxc3?
- threat
- 2.Qc4#
- 2.Qc5#
- 2.Qxc6#
- 1...Qxd3
- 2.Qc5#
- 2.Qxc6#
- 1...Rxc3
- 2.Sxc3#
- 1...Bxd5
- 2.Rc5#
- 2.Qc5#
- 1...Rb4
- 2.Qxc6#
- 1...Qg1
- 2.Qxb3#
- 2.Qc4#
- 2.Qxc6#
- 1...Qc1
- 2.Qxb3#
- 1...Bb7
- 2.Rc5#
- 2.Rxb7#
- 2.Qc4#
- 2.Qc5#
- 1...Bd7
- 2.Rc5#
- 2.Rb7#
- 2.Qc4#
- 2.Qc5#
- 1...Ba8
- 2.Rc5#
- 2.Qc4#
- 2.Qc5#
- 1...Be8
- 2.Bxe8#
- 2.Rc5#
- 2.Rb7#
- 2.Qc4#
- 2.Qc5#
- 1...a4
- 2.Qc5#
- 1...Qc2!
- threat
- 1.Be8?
- Keys
- 1.Rf5!
- threat
- 2.Sxc3#
- 1...Ka4+
- 2.Sb6#
- 1...Kc4+
- 2.S5b4#
- 1...Qxd3
- 2.Qxb3#
- 1...Bxd5
- 2.Be8#
- 1...Sxd5
- 2.Qxc6#
- 1...Sb1
- 2.Sc3#
- 2.Qxc6#
- 1...Sa2
- 2.Sc3#
- 2.Qxc6#
- 1...Se2
- 2.Sc3#
- 2.Qxc6#
- 1...Sa4
- 2.Sc3#
- 2.Qxc6#
- 1...Se4
- 2.Sc3#
- 2.Qxc6#
- threat
- 1.Rf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 18
- Sets
- Q(a);N_GUARD::QAR2(A),XR(c)
- R(c);N_GUARD::S(D),XS(d)
- B(h);OGATE,XS(D)::R1(F)
- B(h);OGATE::R1(F)
- S(d);OGATE::QAB1(A),XB(h)
- Tries
- Try
- B(G);P_PINB(h)
- Threat
- DUALS(2)
- Vars
- B(h);N_SPINB(h),OGATE,XB(G)::R1(F)
- Refutation
- P(e);
- Try
- R(C);CHECK
- Vars
- R(c);XR(C)::S(D),XS(d)
- Refutation
- P(e);XR(C)
- Try
- R(F);
- Threat
- S(D)
- Vars
- B(h);OGATE,XS(D)::R1(F)
- S(d);OGATE::QAB1(A),XB(h)
- B(h);OGATE::R1(F)
- Refutation
- P(e);
- Try
- Q(A);XS(d)
- Threat
- DUALS(3)
- Vars
- R(c);XQ(A)::S(D),XR(c)
- R(c);::QAB1(A),XB(h)
- Q(a);N_GUARD::QAR2(A),XR(c)
- P(e);::QAR1(A)
- Refutation
- Q(a);
- Try
- Actual
- R(C);
- Threat
- R(C)+S(D),DCHECK,XS(d)
- Vars
- K(f);CHECK,P_SPINR(c),S_FLIGHT::S(D)
- K(f);CHECK,P_SPINB(h),P_SPINS(d),S_FLIGHT::B(G)+S(D)
- Q(a);N_GUARD,XS(B)::QAR2(A),XR(c)
- B(h);OGATEB,P_SPINB(h),XS(D)::B(G)
- S(d);OGATE,P_SPINS(d),XS(D)::QAB1(A),XB(h)
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).