MESON Chess Problem Database
Problem Display
PID: 86904 (3n4/8/K2b1PB1/1p6/prk1NN1R/1b6/p1pPR1Q1/B2q3n w - - 0 1)
Shanshin, Valery Yurevich
Vasilenko, Anatoly Grigorovich
Jornal do Solucionismo TT, 2002
#2
10 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxe2
- 2.Qxe2#
- 1...Qb1
- 2.d3#
- 1...Qc1
- 2.d3#
- 1...Qe1
- 2.d3#
- 1...Qf1
- 2.d3#
- 1...Qg1
- 2.d3#
- 1...Sc6
- 2.Bf7#
- 1...Sb7
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...Qxe2
- Tries
- 1.Sc3?
- threat
- 2.Qd5#
- 1...Kd4
- 2.Se6#
- 1...Kc5
- 2.Sd3#
- 1...Qxd2!
- threat
- 1.Se6?
- threat
- 2.Sxd6#
- 1...Kd3
- 2.S4c5#
- 1...Kd5
- 2.Sc3#
- 1...Bh2
- 2.Sg3#
- 2.Sd6#
- 1...Bg3
- 2.Sxg3#
- 2.Sd6#
- 1...Bf4
- 2.Sd6#
- 1...Bc5
- 2.S4xc5#
- 2.Sd6#
- 1...Be5
- 2.Sd6#
- 1...Bc7
- 2.Sd6#
- 1...Be7
- 2.Sf2#
- 2.Sc3#
- 2.Sg3#
- 2.S4c5#
- 2.S4g5#
- 2.Sd6#
- 1...Bb8
- 2.Sd6#
- 1...Bf8
- 2.Sf2#
- 2.Sc3#
- 2.Sg3#
- 2.S4c5#
- 2.S4g5#
- 2.Sd6#
- 1...Sxe6!
- threat
- 1.Bf7+?
- 1...Se6
- 2.Bxe6#
- 1...Sxf7!
- 1...Se6
- 1.Qg1?
- threat
- 2.Sxd6#
- 2.Qd4#
- 1...Qxa1
- 2.Sxd6#
- 2.d3#
- 1...Qxg1
- 2.d3#
- 1...Qxd2
- 2.Sxd2#
- 1...Bxf4
- 2.Qd4#
- 1...Bc5
- 2.Qxc5#
- 1...Be5
- 2.Qc5#
- 1...Bc7
- 2.Qd4#
- 2.Qc5#
- 1...Be7
- 2.Qd4#
- 1...Bb8
- 2.Qd4#
- 2.Qc5#
- 1...Bf8
- 2.Qd4#
- 1...Sc6
- 2.Sxd6#
- 2.Bf7#
- 1...Se6
- 2.Sxd6#
- 1...Sb7
- 2.Bf7#
- 2.Qd4#
- 1...Sf7
- 2.Bxf7#
- 2.Qd4#
- 1...Sf2!
- threat
- 1.Qf2?
- threat
- 2.Sxd6#
- 2.Qd4#
- 1...Qxa1
- 2.Sxd6#
- 2.d3#
- 1...Qxd2
- 2.Sxd2#
- 1...Bxf4
- 2.Qd4#
- 1...Qg1
- 2.Sxd6#
- 2.d3#
- 1...Bc5
- 2.Qxc5#
- 1...Be5
- 2.Qc5#
- 1...Bc7
- 2.Qd4#
- 2.Qc5#
- 1...Be7
- 2.Qd4#
- 1...Bb8
- 2.Qd4#
- 2.Qc5#
- 1...Bf8
- 2.Qd4#
- 1...Sc6
- 2.Sxd6#
- 2.Bf7#
- 1...Se6
- 2.Sxd6#
- 1...Sb7
- 2.Bf7#
- 2.Qd4#
- 1...Sf7
- 2.Bxf7#
- 2.Qd4#
- 1...Sxf2!
- threat
- 1.Qg5?
- threat
- 2.Sxd6#
- 2.Qd5#
- 1...Qxa1
- 2.Qd5#
- 1...Qxd2
- 2.Sxd2#
- 1...Bxf4
- 2.Sd6#
- 1...Bc5
- 2.Qxc5#
- 2.Qd5#
- 1...Bc7
- 2.Qc5#
- 2.Qd5#
- 1...Be7
- 2.Qd5#
- 1...Bb8
- 2.Qc5#
- 2.Qd5#
- 1...Bf8
- 2.Qd5#
- 1...Sb7
- 2.Bf7#
- 2.Qd5#
- 1...Sf7
- 2.Bxf7#
- 2.Qd5#
- 1...Be5!
- threat
- 1.Sc3?
- Keys
- 1.Sd3!
- threat
- 2.Sxd6#
- 1...Kxd3
- 2.Sc5#
- 1...Kd5
- 2.Sc3#
- 1...Bh2
- 2.Sg3#
- 2.Sd6#
- 1...Bg3
- 2.Sxg3#
- 2.Sd6#
- 1...Bf4
- 2.Sd6#
- 1...Bc5
- 2.Sexc5#
- 2.Sd6#
- 1...Be5
- 2.Sd6#
- 1...Bc7
- 2.Sd6#
- 1...Be7
- 2.Sef2#
- 2.Sc3#
- 2.Sg3#
- 2.Sec5#
- 2.Sg5#
- 2.Sd6#
- 1...Bb8
- 2.Sd6#
- 1...Bf8
- 2.Sef2#
- 2.Sc3#
- 2.Sg3#
- 2.Sec5#
- 2.Sg5#
- 2.Sd6#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 9
- Sets
- Q(a);OGATE,XR(C)::QAB(D),XQ(a)
- Q(a);N_GUARD::P(B)
- S(k);N_GUARD::B(J)
- S(k);N_GUARD::B(J),XS(k)
- Tries
- Try
- S(E);
- Threat
- QAB1(D)
- Vars
- K(h);P-FLIGHT::R(G)+S(F),DCHECK
- K(h);P-FLIGHT::S(F)
- Refutation
- Q(a);XP(B)
- Try
- S(F);
- Threat
- R(G)+S(E),DCHECK,XB(j)
- Vars
- K(h);S_FLIGHT::B(J)+S(E),DCHECK
- K(h);S_FLIGHT::QAB(D)+S(E),DCHECK
- B(j);::S(E)
- B(j);::R(G)+S(E),DCHECK
- Refutation
- S(k);XS(F)
- Try
- B(J);CHECK
- Vars
- S(k);N_GUARD,P_SPINS(k)::B(J),XS(k)
- Refutation
- S(k);XB(J)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XQ(D)::P(B)
- Q(a);XP(B)::S(E),XQ(a)
- B(j);XS(F)::QAR1(D)
- B(j);N_GUARD::QAR1(D),XB(j)
- B(j);N_GUARD::QAR1(D)
- B(j);::QAR1(D)
- S(k);::S(E),XB(j)
- Refutation
- S(b);
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(B)::S(E),XQ(a)
- B(j);XS(F)::QAR1(D)
- B(j);N_GUARD::QAR1(D),XB(j)
- B(j);N_GUARD::QAR1(D)
- B(j);::QAR1(D)
- S(k);::S(E),XB(j)
- Refutation
- S(b);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XB(A)::QAB1(D)
- Q(a);XP(B)::S(E),XQ(a)
- B(j);XS(F)::S(E)
- B(j);::QAB1(D)
- Refutation
- B(j);
- Try
- Actual
- S(F);
- Threat
- R(G)+S(E),DCHECK,XB(j)
- Vars
- K(h);S_FLIGHT,XS(F)::B(J)+S(E),DCHECK
- K(h);S_FLIGHT::QAB(D)+S(E),DCHECK
- B(j);::S(E)
- B(j);::R(G)+S(E),DCHECK
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).