MESON Chess Problem Database
Problem Display
PID: 242135 (bB6/1N1pb1r1/3RPn1Q/1N2k1P1/4PR1K/3prpP1/8/8 w - - 0 1)
Mosiashvili, Givi
Variantim, 2015
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxg5
- 2.Qxg5#
- 1...Bxd6
- 2.Qxf6#
- 1...Bf8
- 2.Qxf6#
- 1...Sg4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sh5
- 2.Rd5#
- 1...Sh7
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...dxe6
- 2.Rd5#
- 1...Rxg5
- Tries
- 1.Sa3?
- threat
- 2.Sc4#
- 1...Bxd6
- 2.Qxf6#
- 1...Sd5
- 2.Rxd5#
- 1...Rxe4!
- threat
- 1.Sc3?
- threat
- 2.Rf5#
- 1...Rxg5
- 2.Qxg5#
- 1...Bxd6
- 2.Qxf6#
- 1...Sxe4
- 2.Rd5#
- 1...dxe6
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Rxe4!
- threat
- 1.Sc5?
- threat
- 2.Rf5#
- 2.Rd5#
- 1...Rxe4
- 2.Sxd3#
- 1...Rxg5
- 2.Rd5#
- 2.Qxg5#
- 1...Bxd6
- 2.Bxd6#
- 2.Rf5#
- 2.Qxf6#
- 1...Sxe4
- 2.Sxd7#
- 1...dxe6
- 2.Rd5#
- 2.Rxe6#
- 1...Bd5
- 2.Rf5#
- 2.Rxd5#
- 1...Sd5
- 2.Sxd7#
- 2.Rf5#
- 2.Rxd5#
- 1...Bxe4!
- threat
- 1.Ba7?
- threat
- 2.Bd4#
- 1...Bxd6
- 2.Qxf6#
- 1...Rxe4!
- threat
- 1.Ra6+?
- 1...Bd6
- 2.Qxf6#
- 1...d6!
- 1...Bd6
- 1.Rb6+?
- 1...Bd6
- 2.Qxf6#
- 1...d6!
- 1...Bd6
- 1.Rc6+?
- 1...Bd6
- 2.Qxf6#
- 1...d6!
- 1...Bd6
- 1.Rxd7+?
- 1...Bd6
- 2.Qxf6#
- 1...Kxe6!
- 1...Bd6
- 1.Sa3?
- Keys
- 1.Sd4!
- threat
- 2.Rd5#
- 1...Rxe4
- 2.Sxf3#
- 1...Bxd6
- 2.Qxf6#
- 1...Sxe4
- 2.Rf5#
- 1...Sd5
- 2.Rxd5#
- threat
- 1.Sd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- R(h);OGATE,XP(F)::QAR2(I),XR(h)
- B(g);N_GUARD,P_SPINB(g),XR(G)::QAB1(I),XS(e)
- B(g);N_GUARD::QAB1(I),XS(e)
- S(e);P_PINP(F)::B(K)+R(G),DCHECK
- S(e);P_PINP(F)::B(K)+R(G),DCHECK,XS(e)
- P(f);SBLOCK,XP(H)::B(K)+R(G),DCHECK
- Tries
- Try
- S(E);
- Threat
- S(E)
- Vars
- B(g);N_GUARD,P_SPINB(g),XR(G)::QAB1(I),XS(e)
- S(e);P_PINP(F)::B(K)+R(G),DCHECK,XS(e)
- Refutation
- R(b);P_PINR(C),XP(B)
- Try
- S(E);
- Threat
- R1(C)
- Vars
- R(h);OGATE,XP(F)::QAR2(I),XR(h)
- B(g);N_GUARD,P_SPINB(g),XR(G)::QAB1(I),XS(e)
- S(e);P_PINP(F),XP(B)::B(K)+R(G),DCHECK
- P(f);SBLOCK,XP(H)::B(K)+R(G),DCHECK
- S(e);P_PINP(F)::B(K)+R(G),DCHECK,XS(e)
- Refutation
- R(b);P_PINR(C),XP(B)
- Try
- S(J);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD,P_PINR(C),XP(B)::S(J),XP(a)
- S(e);N_GUARD,P_PINP(F),XP(B)::S(J),XP(f)
- Refutation
- B(i);XP(B)
- Try
- B(K);
- Threat
- B(K)
- Vars
- B(g);N_GUARD,XR(G)::QAB1(I),XS(e)
- Refutation
- R(b);P_PINR(C),XP(B)
- Try
- R(G);CHECK
- Vars
- B(g);P_SPINB(g)::QAB1(I),XS(e)
- Refutation
- P(f);P_SPINP(f)
- Try
- R(G);CHECK
- Vars
- B(g);P_SPINB(g)::QAB1(I),XS(e)
- Refutation
- P(f);P_SPINP(f)
- Try
- R(G);CHECK
- Vars
- B(g);P_SPINB(g)::QAB1(I),XS(e)
- Refutation
- P(f);P_SPINP(f)
- Try
- R(G);CHECK,XP(f)
- Vars
- B(g);P_SPINB(g)::QAB1(I),XS(e)
- Refutation
- K(d);P-FLIGHT,P_SPINS(e),XP(H)
- Try
- Actual
- S(E);
- Threat
- B(K)+R(G),DCHECK
- Vars
- R(b);N_GUARD,P_PINR(C),XP(B)::S(E),XP(c)
- B(g);N_GUARD,P_SPINB(g),XR(G)::QAB1(I),XS(e)
- S(e);P_PINP(F),SBLOCK,XP(B)::R1(C)
- S(e);P_PINP(F)::B(K)+R(G),DCHECK,XS(e)
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).