MESON Chess Problem Database
Problem Display
PID: 164000 (4K3/6B1/2P3np/2P1R3/1Q1NNk1p/2nRr2B/5P2/2b5 w - - 0 1)
Shanshin, Valery Yurevich
1st Prize, Springaren, 2014
#2
11 + 7
| 145 | StrateGems | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Se6#
- 2.Rf3#
- 1...Re2
- 2.Se6#
- 2.Rf3#
- 1...Rf3
- 2.Se6#
- 2.Rxf3#
- 1...Rg3
- 2.Se6#
- 1...Rxe4
- 2.Se6#
- 2.Rf3#
- 1...Bb2
- 2.fxe3#
- 1...Ba3
- 2.fxe3#
- 1...Sxe4
- 2.Rf5#
- 1...Re1
- Tries
- 1.Se2+?
- 1...Rxe2
- 2.Rf5#
- 1...Sxe2
- 2.Rf5#
- 1...Kf3!
- 1...Rxe2
- 1.Sd2?
- threat
- 2.Se2#
- 2.Se6#
- 1...Rxe5+
- 2.Se6#
- 1...Sxe5
- 2.Se6#
- 2.Bxh6#
- 1...Re2
- 2.Sxe2#
- 2.Se6#
- 2.Rf3#
- 1...Re4
- 2.Se6#
- 2.Rf3#
- 1...Se2
- 2.Sxe2#
- 2.Se6#
- 1...Se4
- 2.Se6#
- 2.Rf5#
- 1...Bxd2!
- threat
- 1.Sxc3?
- threat
- 2.Sd5#
- 1...Rxe5+
- 2.Se6#
- 1...Rxh3
- 2.Sc2#
- 2.Sde2#
- 2.Sb3#
- 2.Sf3#
- 2.Sdb5#
- 2.Se6#
- 1...Sxe5
- 2.Bxh6#
- 1...Se7!
- threat
- 1.Sg3?
- threat
- 2.Sh5#
- 1...Rxe5+
- 2.Se6#
- 1...Rxg3
- 2.Se2#
- 2.Se6#
- 1...Sxe5
- 2.Bxh6#
- 1...h5
- 2.Sxh5#
- 1...hxg3!
- threat
- 1.Sg5?
- threat
- 2.Se2#
- 2.Sde6#
- 2.Sge6#
- 1...Rxe5+
- 2.Sde6#
- 1...Rxh3
- 2.Se2#
- 2.Sde6#
- 1...Sxe5
- 2.Sde6#
- 1...Re2
- 2.Sxe2#
- 2.Sde6#
- 2.Sge6#
- 2.Rf3#
- 1...Re4
- 2.Sde6#
- 2.Sge6#
- 2.Rf3#
- 1...Se2
- 2.Sxe2#
- 2.Sde6#
- 2.Sge6#
- 1...Se4
- 2.Sde6#
- 2.Sge6#
- 2.Rf5#
- 1...Sf8
- 2.Se2#
- 2.Sde6#
- 1...hxg5!
- threat
- 1.Rxe3?
- threat
- 2.Se6#
- 2.Rf3#
- 2.Rf5#
- 1...Sxe5
- 2.Se6#
- 2.Bxh6#
- 1...Se7
- 2.Se6#
- 2.Rf3#
- 1...Sf8
- 2.Rf3#
- 2.Rf5#
- 1...Bxe3!
- threat
- 1.Qb8?
- threat
- 2.Bxh6#
- 1...Sxe4
- 2.Rf5#
- 1...Sxe5
- 2.Qxe5#
- 1...Rg3
- 2.Se6#
- 1...h5
- 2.Bh6#
- 1...Rxh3!
- threat
- 1.Se2+?
- Keys
- 1.Sf6!
- threat
- 2.Sh5#
- 1...Rxe5+
- 2.Se6#
- 1...Kxe5
- 2.Qb8#
- 1...Rxh3
- 2.Rf5#
- 1...Sxe5
- 2.Bxh6#
- 1...h5
- 2.Sxh5#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 4
- Sets
- R(c);::S(E)
- B(a);N_GUARD::P(A),XR(c)
- S(b);SBLOCK,XS(F)::R1(H)
- Tries
- Try
- S(E);CHECK
- Vars
- R(c);XS(E)::R1(H)
- S(b);XS(E)::R1(H)
- Refutation
- K(d);P-FLIGHT,P_SPINR(c)
- Try
- S(F);P_SPINR(H)
- Threat
- DUALS(2)
- Vars
- R(c);CHECK,XR(H)::QAR(D)+S(E),DCHECK
- Refutation
- B(a);XS(F)
- Try
- S(F);P_SPINR(H),XS(b)
- Threat
- S(F)
- Vars
- R(c);CHECK,XR(H)::QAR(D)+S(E),DCHECK
- S(f);SBLOCK,XR(H)::B(J),XP(g)
- Refutation
- S(f);N_PINR(H)
- Try
- S(F);P_SPINR(H)
- Threat
- S(F)
- Vars
- R(c);CHECK,XR(H)::QAR(D)+S(E),DCHECK
- S(f);SBLOCK,XR(H)::B(J),XP(g)
- P(g);::S(F),XP(g)
- Refutation
- P(e);XS(F)
- Try
- S(F);P_SPINR(H)
- Threat
- DUALS(3)
- Vars
- R(c);CHECK,XR(H)::QAR(D)+S(E),DCHECK
- S(f);XR(H)::QAR(D)+S(E),DCHECK
- Refutation
- P(g);XS(F)
- Try
- R(B);XR(c)
- Threat
- DUALS(3)
- Refutation
- B(a);XR(B)
- Try
- Q(D);
- Threat
- B(J),XP(g)
- Vars
- S(b);SBLOCK,XS(F)::QAB(D)+R(H),DCHECK
- S(f);OGATE,P_SPINS(f),XR(H)::QAB1(D),XS(f)
- R(c);::S(E)
- P(g);::B(J)
- Refutation
- R(c);XB(C)
- Try
- Actual
- S(F);P_SPINR(H)
- Threat
- S(F)
- Vars
- R(c);CHECK,SBLOCK,XR(H)::QAR(D)+S(E),DCHECK
- K(d);OGATEB,S_FLIGHT,XR(H)::QAB(D)
- R(c);N_PINR(H),XB(C)::R1(H)
- S(f);SBLOCK,XR(H)::B(J),XP(g)
- P(g);::S(F),XP(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).