MESON Chess Problem Database
Problem Display
PID: 71707 (4r2n/2bR3B/3n2r1/7Q/3PkBp1/4P3/4P1R1/6K1 w - - 0 1)
Gavrilov, Constantin Grigorievich
Revista Romana de Sah, 1935
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Qxe5#
- 1...Re7
- 2.Rxe7#
- 1...Ra8
- 2.Re7#
- 2.Qe5#
- 1...Rb8
- 2.Re7#
- 2.Qe5#
- 1...Rc8
- 2.Re7#
- 2.Qe5#
- 1...Rd8
- 2.Re7#
- 2.Qe5#
- 1...Rf8
- 2.Re7#
- 2.Qe5#
- 1...Rg8
- 2.Re7#
- 2.Qe5#
- 1...Sc4
- 2.Qd5#
- 1...Sb5
- 2.Qd5#
- 1...Sb7
- 2.Qd5#
- 1...Sdf7
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Re5
- Tries
- 1.Bh6?
- threat
- 2.Rxg4#
- 1...Re5
- 2.Qxe5#
- 1...Rf8
- 2.Re7#
- 2.Qe5#
- 1...Sc4
- 2.Qd5#
- 1...Sb5
- 2.Qd5#
- 1...Sb7
- 2.Qd5#
- 1...Sdf7
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...g3
- 2.Qf3#
- 1...Sf5!
- threat
- 1.Bxg6+?
- 1...Sf5
- 2.Bxf5#
- 2.Qxf5#
- 1...Sxg6!
- 1...Sf5
- 1.Rxd6?
- threat
- 2.Qd5#
- 1...Re5
- 2.Qxe5#
- 1...Bxd6!
- threat
- 1.Bh6?
- Keys
- 1.Rxg4!
- threat
- 2.Bh6#
- 1...Re5
- 2.Qxe5#
- 1...Rf8
- 2.Re7#
- 2.Qe5#
- 1...Sc4
- 2.Qd5#
- 1...Sb5
- 2.Qd5#
- 1...Sf5
- 2.Qh1#
- 1...Sb7
- 2.Qd5#
- 1...Sdf7
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- threat
- 1.Rxg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(f);N_GUARD::QAR1(G),XR(f)
- R(f);N_GUARD::R(H),XR(f)
- S(c);::QAB1(G)
- Tries
- Try
- B(F);
- Threat
- R(C),XP(b)
- Vars
- R(f);N_GUARD::QAR1(G),XR(f)
- S(c);::QAB1(G)
- P(b);OGATE::QAB1(G)
- Refutation
- S(c);N_SPINR(d)
- Try
- B(I);CHECK,XR(d)
- Refutation
- S(g);XB(I)
- Try
- R(H);XS(c)
- Threat
- QAB1(G)
- Vars
- R(f);N_GUARD::QAR1(G),XR(f)
- Refutation
- B(e);XR(H)
- Try
- Actual
- R(C);P_SPINR(C),XP(b)
- Threat
- R(C)+B(F)
- Vars
- R(f);N_GUARD::QAR1(G),XR(f)
- S(c);::QAB1(G)
- S(c);N_SPINR(d),SBLOCK::QAB(G)
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).