MESON Chess Problem Database
Problem Display
PID: 181938 (Kn3b1q/1Np1p2B/6R1/Q2RpN2/4k1P1/3p1pP1/b4P2/rn6 w - - 0 1)
Murashev, Pavel Aleksandrovich
Shanshin, Valery Yurevich
4/6 Place, 10. WCCT, 2016-2017
#2
10 + 12
| 16140 | 10. WCCT Award | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Qxh7
- 2.Rxe5#
- 1...Qg8
- 2.Rxe5#
- 1...Qxh7
- Tries
- 1.Bg8?
- threat
- 2.Sc5#
- 2.Qe1#
- 1...Qxg8
- 2.Rxe5#
- 1...Bxd5
- 2.Bxd5#
- 1...Qh1
- 2.Sc5#
- 2.Rxe5#
- 1...Qh6
- 2.Sc5#
- 2.Rxe5#
- 1...Bb3
- 2.Sc5#
- 1...Bc4
- 2.Sc5#
- 1...Bh6
- 2.Sc5#
- 1...Sd2
- 2.Sc5#
- 1...Sa3
- 2.Sc5#
- 1...Sc3
- 2.Sc5#
- 1...Sa6
- 2.Qe1#
- 1...Sd7
- 2.Qe1#
- 1...d2
- 2.Sc5#
- 1...c5
- 2.Sxc5#
- 2.Qe1#
- 1...e6!
- threat
- 1.Rxd3?
- threat
- 2.Sc5#
- 2.Re3#
- 1...Bd5
- 2.Re3#
- 1...Bh6
- 2.Sc5#
- 1...Sa6
- 2.Re3#
- 1...Sd7
- 2.Re3#
- 1...c5
- 2.Sxc5#
- 1...e6
- 2.Re3#
- 1...Kxd3!
- threat
- 1.Ra6?
- threat
- 2.Sfd6#
- 1...Qxh7
- 2.Rxe5#
- 1...Bxd5
- 2.Qe1#
- 1...c5!
- threat
- 1.Rgd6?
- threat
- 2.Sc5#
- 2.Qe1#
- 1...cxd6
- 2.Sfxd6#
- 1...exd6
- 2.Sfxd6#
- 1...Bb3
- 2.Sc5#
- 1...Bc4
- 2.Sc5#
- 1...Bh6
- 2.Sc5#
- 1...Sd2
- 2.Sc5#
- 1...Sa3
- 2.Sc5#
- 1...Sc3
- 2.Sc5#
- 1...Sa6
- 2.Qe1#
- 1...Sd7
- 2.Qe1#
- 1...d2
- 2.Sc5#
- 1...c5
- 2.Sxc5#
- 2.Qe1#
- 1...Bxd5!
- threat
- 1.Qb4+?
- 1...Kxd5
- 2.Se3#
- 1...Bc4+!
- 1...Kxd5
- 1.Qa4+?
- 1...Kxd5
- 2.Se3#
- 1...Bc4!
- 1...Kxd5
- 1.Bg8?
- Keys
- 1.Rc6!
- threat
- 2.Sfd6#
- 1...Qxh7
- 2.Rxe5#
- 1...Bxd5
- 2.Sc5#
- threat
- 1.Rc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- Q(l);N_GUARD,XB(I)::R1(E),XP(g)
- Q(l);N_GUARD::R1(E),XP(g)
- Tries
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- Q(l);N_GUARD,XB(I)::R1(E),XP(g)
- B(c);OGATE,P_PINQ(D),P_PINS(H),XR(E)::B(I),XB(c)
- B(c);P_PINQ(D)::S(H)
- B(k);::S(H)
- S(b);::S(H)
- S(j);::QAR(D)
- P(d);::S(H)
- Refutation
- P(i);
- Try
- R(E);XP(d)
- Threat
- DUALS(2)
- Vars
- B(c);P_PINQ(D),P_PINS(H)::R1(E)
- B(k);::S(H)
- S(j);::R1(E)
- P(h);::S(H),XP(h)
- P(i);::R1(E)
- Refutation
- K(f);S_FLIGHT,XR(E)
- Try
- R(G);
- Threat
- B(I)+S(F),DCHECK
- Vars
- Q(l);N_GUARD,XB(I)::R1(E),XP(g)
- B(c);P_PINS(H),SBLOCK,XR(E)::QAR(D)
- Refutation
- P(h);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- P(h);XR(G)::B(I)+S(F),DCHECK,XP(h)
- P(i);XR(G)::B(I)+S(F),DCHECK,XP(i)
- B(c);P_PINQ(D)::S(H)
- B(k);::S(H)
- S(b);::S(H)
- S(j);::QAR(D)
- P(d);::S(H)
- Refutation
- B(c);P_PINQ(D),P_PINS(H),XR(E)
- Try
- Q(D);CHECK
- Vars
- K(f);S_FLIGHT,XR(E)::S(F)
- Refutation
- B(c);CHECK,P_SPINB(c)
- Try
- Q(D);CHECK
- Vars
- K(f);S_FLIGHT,XR(E)::S(F)
- Refutation
- B(c);P_PINQ(D),P_SPINB(c)
- Try
- Actual
- R(G);
- Threat
- B(I)+S(F),DCHECK
- Vars
- Q(l);N_GUARD,XB(I)::R1(E),XP(g)
- B(c);P_PINQ(D),SBLOCK,XR(E)::S(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).