MESON Chess Problem Database
Problem Display
PID: 194504 (1r2B3/2P1n3/pp1pn1QN/3kp3/N2P3q/1P2R1p1/1B2P3/K1R5 w - - 0 1)
Shanshin, Valery Yurevich
7th HM., 07. World Cup, 2019
#2
12 + 10
SOLUTION
- SOUND
- Sets
- 1...Qg5
- 2.Qe4#
- 1...Qf6
- 2.Qe4#
- 1...Qh2
- 2.Qe4#
- 1...Qh3
- 2.Qe4#
- 1...Qe4
- 2.Qxe4#
- 1...Qh5
- 2.Qe4#
- 1...Qxh6
- 2.Qe4#
- 1...Ra8
- 2.Sxb6#
- 1...Rc8
- 2.Sxb6#
- 1...Rd8
- 2.Sxb6#
- 1...Rxe8
- 2.Sxb6#
- 1...Sf5
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...Sxg6
- 2.Bc6#
- 1...Sc8
- 2.Bc6#
- 1...Sg8
- 2.Bc6#
- 1...exd4
- 2.Qxe6#
- 1...Qg5
- Tries
- 1.Rd1?
- threat
- 2.Sc3#
- 1...Qxd4
- 2.Qe4#
- 1...Sxd4
- 2.Qf7#
- 1...exd4
- 2.Qxe6#
- 1...Rxe8!
- threat
- 1.Rd3?
- threat
- 2.Sc3#
- 1...Qxd4
- 2.e4#
- 1...Rxe8
- 2.Sxb6#
- 1...Sxd4
- 2.Bf7#
- 1...exd4!
- threat
- 1.Qd3?
- threat
- 2.Sc3#
- 2.Qc4#
- 1...Rxe8
- 2.Sxb6#
- 2.Qc4#
- 1...Sxd4
- 2.Bf7#
- 2.Qc4#
- 1...Sxc7
- 2.Qc4#
- 1...exd4
- 2.Qc4#
- 1...Sf4
- 2.Qc4#
- 1...Sc5
- 2.Qc4#
- 1...Sg5
- 2.Qc4#
- 1...Sg7
- 2.Qc4#
- 1...Sd8
- 2.Qc4#
- 1...Sf8
- 2.Qc4#
- 1...b5
- 2.Sc3#
- 1...Qxd4!
- threat
- 1.cxb8Q?
- threat
- 2.Sxb6#
- 1...Sc8
- 2.Bc6#
- 2.Qb7#
- 2.Qa8#
- 1...b5
- 2.Sb6#
- 1...Qxd4!
- threat
- 1.cxb8S?
- threat
- 2.Sxb6#
- 1...Sc8
- 2.Bc6#
- 1...b5
- 2.Sb6#
- 1...Qxd4!
- threat
- 1.cxb8B?
- threat
- 2.Sxb6#
- 1...Sc8
- 2.Bc6#
- 1...b5
- 2.Sb6#
- 1...Qxd4!
- threat
- 1.cxb8R?
- threat
- 2.Sxb6#
- 1...Sc8
- 2.Bc6#
- 1...b5
- 2.Sb6#
- 1...Qxd4!
- threat
- 1.Rd1?
- Keys
- 1.Sf5!
- threat
- 2.Sc3#
- 1...Qxd4
- 2.Sxe7#
- 1...Rxe8
- 2.Sxb6#
- 1...Sxd4
- 2.Qxd6#
- 1...Sxf5
- 2.Bc6#
- 1...exd4
- 2.Qxe6#
- threat
- 1.Sf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 14
- Sets
- Q(b);N_GUARD::QAB1(I)
- Q(b);N_GUARD::QAB1(I),XQ(b)
- Q(b);N_GUARD,XS(J)::QAB1(I)
- R(j);N_GUARD::S(G),XP(f)
- R(j);N_GUARD,XB(L)::S(G),XP(f)
- S(i);N_GUARD::B(L)
- S(i);N_GUARD::B(L),XS(i)
- S(i);N_GUARD,XQ(I)::B(L)
- P(d);XP(H)::QAB1(I),XS(h)
- Tries
- Try
- R(B);
- Threat
- S(G)
- Vars
- Q(b);N_GUARD,P_PINB(C),P_SPINQ(b),XP(H)::QAB1(I)
- S(h);OGATEB,P_SPINS(h),XP(H)::QAB(I)
- P(d);P_SPINP(d),XP(H)::QAB1(I),XS(h)
- Refutation
- R(j);XB(L)
- Try
- R(F);
- Threat
- S(G)
- Vars
- Q(b);N_GUARD,P_PINB(C),P_SPINQ(b),XP(H)::P(D)
- R(j);N_GUARD,XB(L)::S(G),XP(f)
- S(h);OGATEB,P_SPINS(h),XP(H)::B(L)
- Refutation
- P(d);P_SPINP(d),XP(H)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- S(h);XP(K)::QAB1(I)
- P(d);P_SPINP(d),XP(H)::QAB1(I)
- S(h);::QAB1(I)
- P(f);::S(G)
- Refutation
- Q(b);P_PINB(C),P_SPINQ(b),XP(H)
- Try
- P(K);XR(j)
- Threat
- S(G),XP(f)
- Vars
- P(f);::S(G)
- Refutation
- Q(b);P_PINB(C),XP(H)
- Try
- P(K);XR(j)
- Threat
- S(G),XP(f)
- Vars
- S(i);N_GUARD::B(L)
- P(f);::S(G)
- Refutation
- Q(b);P_PINB(C),XP(H)
- Try
- P(K);XR(j)
- Threat
- S(G),XP(f)
- Vars
- S(i);N_GUARD::B(L)
- P(f);::S(G)
- Refutation
- Q(b);P_PINB(C),XP(H)
- Try
- P(K);XR(j)
- Threat
- S(G),XP(f)
- Vars
- S(i);N_GUARD::B(L)
- P(f);::S(G)
- Refutation
- Q(b);P_PINB(C),XP(H)
- Try
- Actual
- S(J);
- Threat
- S(G)
- Vars
- Q(b);N_GUARD,P_PINB(C),XP(H)::S(J),XS(i)
- R(j);N_GUARD,XB(L)::S(G),XP(f)
- S(h);OGATE,XP(H)::QAR1(I),XP(g)
- S(i);N_GUARD,XS(J)::B(L)
- P(d);XP(H)::QAB1(I),XS(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).