MESON Chess Problem Database
Problem Display
PID: 243006 (7B/6rB/pR5b/Rn2kr2/2P1NpbN/p1pnPpP1/P1Q2P2/1K6 w - - 0 1)
Kuznetsov, Pavel G
Zadachi i Etyudi, 2002
#2
13 + 12
SOLUTION
- SOUND
- Sets
- 1...Kxe4
- 2.Re6#
- 1...Rg5
- 2.Qxc3#
- 1...Rh5
- 2.Qxc3#
- 1...Rf6
- 2.Qxc3#
- 1...Rf7
- 2.Qxc3#
- 1...Rf8
- 2.Qxc3#
- 1...Sc1
- 2.Sg6#
- 1...Se1
- 2.Sg6#
- 1...Sb2
- 2.Sg6#
- 1...Sxf2
- 2.Sg6#
- 1...Sb4
- 2.Sg6#
- 1...Sc5
- 2.Sg6#
- 1...Kxe4
- Tries
- 1.Sd2?
- threat
- 2.Sg6#
- 2.Qxc3#
- 1...fxe3
- 2.Qxc3#
- 1...Rg5
- 2.Qxc3#
- 1...Rh5
- 2.Qxc3#
- 1...Rf6
- 2.Qxc3#
- 1...Rf7
- 2.Qxc3#
- 1...Rf8
- 2.Qxc3#
- 1...Bh5
- 2.Qxc3#
- 1...Sc5
- 2.Sg6#
- 1...cxd2!
- threat
- 1.Sc5?
- threat
- 2.Sg6#
- 2.Re6#
- 1...Sxc5
- 2.Sg6#
- 1...Sd6
- 2.Qxc3#
- 1...Rg5
- 2.Sxd3#
- 1...Rh5
- 2.Sxd3#
- 1...Rf6
- 2.Sxd3#
- 1...Rf7
- 2.Sxd3#
- 1...Rf8
- 2.Sxd3#
- 1...Bh5
- 2.Re6#
- 1...Sd4
- 2.Sg6#
- 1...Sc7
- 2.Sg6#
- 2.Qxc3#
- 1...fxe3!
- threat
- 1.Sg5?
- threat
- 2.Sg6#
- 2.Re6#
- 2.Qxc3#
- 1...Rxg5
- 2.Qxc3#
- 1...fxe3
- 2.Qxc3#
- 1...Rf6
- 2.Qxc3#
- 1...Rf7
- 2.Sxf7#
- 2.Qxc3#
- 1...Rf8
- 2.Qxc3#
- 1...Bh5
- 2.Re6#
- 2.Qxc3#
- 1...Sc5
- 2.Sg6#
- 1...Bxg5!
- threat
- 1.Bxg7+?
- 1...Kxe4
- 2.Re6#
- 1...Rf6
- 2.Bxf6#
- 2.Qxc3#
- 1...Bxg7!
- 1...Kxe4
- 1.Raxb5+?
- 1...Kxe4
- 2.Re6#
- 1...Sc5
- 2.Sg6#
- 2.Rxc5#
- 1...axb5!
- 1...Kxe4
- 1.Qxd3?
- threat
- 2.Sg6#
- 2.Qd4#
- 2.Qd5#
- 1...fxe3
- 2.Sg6#
- 2.Qd5#
- 1...Rg5
- 2.Qxc3#
- 2.Qd4#
- 2.Qd5#
- 2.Qd6#
- 2.exf4#
- 2.gxf4#
- 1...Rh5
- 2.Qxc3#
- 2.Qd4#
- 2.Qd5#
- 2.Qd6#
- 1...Rf6
- 2.Qxc3#
- 2.Qd4#
- 2.Qd5#
- 1...Rf7
- 2.Qxc3#
- 2.Qd4#
- 2.Qd5#
- 2.Qd6#
- 1...Rf8
- 2.Qxc3#
- 2.Qd4#
- 2.Qd5#
- 2.Qd6#
- 1...Bh5
- 2.Qd4#
- 2.Qd5#
- 1...c2+!
- threat
- 1.Sd2?
- Keys
- 1.Sf6!
- threat
- 2.Qxc3#
- 1...Rd7
- 2.Sg6#
- 1...Sc5
- 2.Sxg4#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- K(h);N_SPINR(l),N_SPINS(g),P-FLIGHT,P_SPINR(i),P_SPINS(c),XS(H)::R(K)
- R(i);::QAB(C),XP(b)
- R(i);N_SPINR(l)::QAB(C),XP(b)
- S(c);::S(I)
- S(c);XP(D)::S(I)
- S(c);N_SPINS(g)::S(I)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- P(e);XP(E)::QAB(C),XP(b)
- R(i);::QAB(C),XP(b)
- R(i);N_SPINR(l)::QAB(C),XP(b)
- B(f);::QAB(C),XP(b)
- S(c);N_SPINS(g)::S(I)
- Refutation
- P(b);XS(H)
- Try
- S(H);N_PINS(g)
- Threat
- DUALS(2)
- Vars
- S(c);XS(H)::S(I)
- S(g);N_GUARD::QAB(C),XP(b)
- R(i);::S(H),XS(c)
- R(i);N_SPINR(l)::S(H),XS(c)
- B(f);::R1(K)
- S(g);::S(I)
- Refutation
- P(e);XP(E)
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- R(i);XS(H)::QAB(C),XP(b)
- P(e);XP(E)::QAB(C),XP(b)
- R(i);N_SPINR(l)::QAB(C),XP(b)
- R(i);::QAB(C),XP(b)
- S(c);N_SPINS(g)::S(I)
- Refutation
- B(k);XS(H)
- Try
- B(M);CHECK,XR(l)
- Vars
- K(h);N_SPINS(g),P-FLIGHT,P_SPINR(i),P_SPINS(c),XS(H)::R(K)
- Refutation
- B(k);XB(M)
- Try
- R(J);CHECK,XS(g)
- Vars
- K(h);N_SPINR(l),P-FLIGHT,P_SPINR(i),P_SPINS(c),XS(H)::R(K)
- Refutation
- P(j);XR(J)
- Try
- Q(C);XS(c)
- Threat
- DUALS(3)
- Refutation
- P(b);CHECK
- Try
- Actual
- S(H);N_PINR(l)
- Threat
- QAB(C),XP(b)
- Vars
- R(l);N_GUARD::S(I)
- S(c);N_SPINS(g)::S(H),XB(f)
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).