MESON Chess Problem Database
Problem Display
PID: 246725 (B3K3/2p5/8/4N1pR/5P1p/1Q2n3/5BPk/4rR2 w - - 0 1)
Slesarenko, Anatoly Vasilevich
Moscow Ty., 2018
#2
9 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Bg3#
- 2.Qg3#
- 2.Qh3#
- 1...Sxf1
- 2.Qh3#
- 1...Sc2
- 2.Bg3#
- 2.Qg3#
- 2.Qh3#
- 1...Sxg2
- 2.Qg3#
- 1...Sc4
- 2.Bg3#
- 2.Qg3#
- 2.Qh3#
- 1...Sg4
- 2.Bg3#
- 2.Qg3#
- 2.Qh3#
- 1...Sd5
- 2.Qg3#
- 2.Qh3#
- 1...Sf5
- 2.Qh3#
- 1...h3
- 2.Rxh3#
- 1...gxf4
- 2.Rxh4#
- 1...g4
- 2.Rxh4#
- 1...Sd1
- Tries
- 1.Bg1+?
- 1...Kg3
- 2.Rxg5#
- 1...Kh1!
- 1...Kg3
- 1.Rg1?
- threat
- 2.Sf3#
- 1...Sxg2
- 2.Qg3#
- 1...Sd1
- 2.Qg3#
- 2.Qh3#
- 1...Sf1
- 2.Qh3#
- 1...Sc2
- 2.Qg3#
- 2.Qh3#
- 1...Sc4
- 2.Qg3#
- 2.Qh3#
- 1...Sg4
- 2.Qg3#
- 2.Qh3#
- 1...Sd5
- 2.Qg3#
- 2.Qh3#
- 1...Sf5
- 2.Qh3#
- 1...g4
- 2.Rxh4#
- 1...Rxg1!
- threat
- 1.Rxg5?
- threat
- 2.Sf3#
- 1...Sxf1
- 2.Qh3#
- 1...Sxg2
- 2.Rxg2#
- 1...Sd1
- 2.Qh3#
- 1...Sc2
- 2.Qh3#
- 1...Sc4
- 2.Qh3#
- 1...Sg4
- 2.Qh3#
- 1...Sd5
- 2.Qh3#
- 1...Sf5
- 2.Qh3#
- 1...Rxf1!
- threat
- 1.Qxe3?
- threat
- 2.Sg4#
- 2.Bg3#
- 2.Qg3#
- 2.Qh3#
- 1...Rxf1
- 2.Qh3#
- 1...gxf4
- 2.Sg4#
- 2.Rxh4#
- 2.Qxf4#
- 2.Qh3#
- 1...c6
- 2.Qg3#
- 2.Qh3#
- 1...h3
- 2.Sg4#
- 2.Bg3#
- 2.Rxh3#
- 2.Qg3#
- 2.Qxh3#
- 1...g4
- 2.Sxg4#
- 2.Bg3#
- 2.Rxh4#
- 2.Qg3#
- 1...Rxe3!
- threat
- 1.fxg5?
- threat
- 2.Rxh4#
- 1...Sxg2
- 2.Qg3#
- 1...Sd5
- 2.Qg3#
- 2.Qh3#
- 1...Sf5
- 2.Qh3#
- 1...h3
- 2.Rxh3#
- 1...c6!
- threat
- 1.Bg1+?
- Keys
- 1.Qe6!
- threat
- 2.Qh3#
- 1...Sxg2
- 2.Sf3#
- 1...Sg4
- 2.Sxg4#
- 1...Sf5
- 2.Sg4#
- 1...h3
- 2.Rxh3#
- 2.Qxh3#
- 1...g4
- 2.Rxh4#
- threat
- 1.Qe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- S(c);OGATE,P_PINS(F),XR(A)::QAR1(D)
- S(c);OGATE,P_PINS(F),XP(C)::QAB1(D)
- S(c);OGATE,P_PINS(F)::QAR1(D)
- P(d);OGATE::R1(G),XP(d)
- P(e);N_GUARD,XP(E)::R(G),XP(d)
- P(e);N_GUARD::R(G),XP(d)
- Tries
- Try
- B(B);CHECK
- Vars
- K(b);N_SPINP(d),P_SPINS(c),S_FLIGHT::R(G),XP(e)
- Refutation
- K(b);P-FLIGHT
- Try
- R(A);
- Threat
- S(F)
- Vars
- S(c);OGATE,P_PINS(F),XP(C)::QAB1(D)
- S(c);OGATE,P_PINS(F)::QAR1(D)
- P(e);N_GUARD::R(G),XP(d)
- Refutation
- R(a);XR(A)
- Try
- R(G);N_PINP(d),XP(e)
- Threat
- S(F)
- Vars
- S(c);OGATE,P_PINS(F),XR(A)::QAR1(D)
- S(c);OGATE,P_PINS(F),XP(C)::R1(G),XS(c)
- S(c);OGATE,P_PINS(F)::QAR1(D)
- Refutation
- R(a);XR(A)
- Try
- Q(D);XS(c)
- Threat
- DUALS(4)
- Vars
- R(a);XR(A)::QAR1(D)
- Refutation
- R(a);P_PINS(F),XQ(D)
- Try
- P(E);XP(e)
- Threat
- R(G),XP(d)
- Vars
- S(c);OGATE,P_PINS(F),XP(C)::QAB1(D)
- S(c);OGATE,P_PINS(F)::QAR1(D)
- P(d);OGATE::R1(G),XP(d)
- Refutation
- P(f);
- Try
- Actual
- Q(D);
- Threat
- QAR1(D)
- Vars
- S(c);SBLOCK,XP(C)::S(F)
- S(c);N_GUARD::S(F),XS(c)
- S(c);N_GUARD::S(F)
- P(e);N_GUARD::R(G),XP(d)
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).