MESON Chess Problem Database
Problem Display
PID: 262969 (8/5p1B/1b2b1r1/1Q6/2PkN3/2R5/1K1N2R1/6n1 w - - 0 1)
Suvorov, Ivan
Zadachi i Etyudi, 2008
#2
8 + 6
SOLUTION
- SOUND
- Sets
- 1...Rg3
- 2.Sb3#
- 1...Rg4
- 2.Sb3#
- 1...Rg5
- 2.Sb3#
- 1...Rf6
- 2.Sb3#
- 1...Rh6
- 2.Sb3#
- 1...Rg7
- 2.Sb3#
- 1...Rg8
- 2.Sb3#
- 1...Ba5
- 2.Qc5#
- 1...Bc5
- 2.Qxc5#
- 1...Bc7
- 2.Qc5#
- 1...Bd8
- 2.Qc5#
- 1...Bh3
- 2.Qd5#
- 1...Bg4
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...Bf5
- 2.Qd5#
- 1...Bd7
- 2.Qd5#
- 1...Bc8
- 2.Qd5#
- 1...Rg3
- Tries
- 1.Kc2?
- threat
- 2.Rd3#
- 1...Bc5
- 2.Qxc5#
- 1...Bd5
- 2.Qxd5#
- 1...Rg3
- 2.Sb3#
- 1...Bxc4!
- threat
- 1.Sf3+?
- 1...Kxe4
- 2.Qe5#
- 1...Sxf3!
- 1...Kxe4
- 1.Sg3?
- threat
- 2.Sb3#
- 1...Bxc4
- 2.Sf5#
- 1...Bd5
- 2.Qxd5#
- 1...Bc5!
- threat
- 1.Sg5?
- threat
- 2.Sb3#
- 1...Bxc4
- 2.Rg4#
- 1...Bd5
- 2.Qxd5#
- 1...Bc5!
- threat
- 1.Sd6?
- threat
- 2.Sb3#
- 1...Rxg2
- 2.Rd3#
- 1...Bxc4
- 2.Sf5#
- 1...Bd5
- 2.Qxd5#
- 1...Bc5!
- threat
- 1.Rgg3?
- threat
- 2.Rcd3#
- 2.Rgd3#
- 1...Rxg3
- 2.Sb3#
- 1...Bxc4
- 2.Rxc4#
- 1...Bc5
- 2.Qxc5#
- 1...Bd5
- 2.Qxd5#
- 1...Sf3!
- threat
- 1.Rg5?
- threat
- 2.Qe5#
- 2.Qxb6#
- 1...Rxg5
- 2.Sb3#
- 1...Bxc4
- 2.Qxc4#
- 2.Qe5#
- 1...Ba7
- 2.Qe5#
- 1...Ba5
- 2.Qc5#
- 2.Qe5#
- 1...Bc5
- 2.Qxc5#
- 1...Bc7
- 2.Qc5#
- 1...Bd8
- 2.Qc5#
- 2.Qe5#
- 1...Bh3
- 2.Rd5#
- 2.Qd5#
- 2.Qe5#
- 1...Bg4
- 2.Rd5#
- 2.Qd5#
- 2.Qe5#
- 1...Bd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Bf5
- 2.Qd5#
- 1...Bd7
- 2.Rd5#
- 2.Qd5#
- 2.Qe5#
- 1...Bc8
- 2.Rd5#
- 2.Qd5#
- 2.Qe5#
- 1...Sf3
- 2.Qxb6#
- 1...f6
- 2.Qxb6#
- 1...f5!
- threat
- 1.Kc2?
- Keys
- 1.Rg4!
- threat
- 2.Sb3#
- 1...Bxc4
- 2.Sg5#
- 1...Bxg4
- 2.Qd5#
- 1...Bc5
- 2.Qxc5#
- 1...Bd5
- 2.Qxd5#
- threat
- 1.Rg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 14
- Sets
- R(e);::S(B)
- B(c);N_GUARD::QAB1(G)
- B(c);N_GUARD::QAB1(G),XB(c)
- B(d);N_GUARD::QAR1(G)
- B(d);N_GUARD::QAR1(G),XB(d)
- Tries
- Try
- K(A);P-FLIGHT
- Threat
- R1(D)
- Vars
- B(c);N_GUARD::QAB1(G),XB(c)
- B(d);N_GUARD::QAR1(G),XB(d)
- R(e);::S(B)
- Refutation
- B(d);XP(E)
- Try
- S(B);CHECK
- Vars
- K(b);P-FLIGHT,P_SPINR(e),XS(F)::QAR1(G)
- Refutation
- S(a);XS(B)
- Try
- S(F);
- Threat
- S(B)
- Vars
- B(d);N_GUARD,XP(E)::S(F)
- B(d);N_GUARD::QAR1(G),XB(d)
- Refutation
- B(c);
- Try
- S(F);
- Threat
- S(B)
- Vars
- B(d);N_GUARD,XP(E)::R(C)
- B(d);N_GUARD::QAR1(G),XB(d)
- Refutation
- B(c);
- Try
- S(F);
- Threat
- S(B)
- Vars
- R(e);P_PINS(B),XR(C)::R1(D)
- B(d);N_GUARD,XP(E)::S(F)
- B(d);N_GUARD::QAR1(G),XB(d)
- Refutation
- B(c);
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(e);XR(C)::S(B)
- B(d);OGATE,XP(E)::R1(D),XB(d)
- B(c);N_GUARD::QAB1(G),XB(c)
- B(d);N_GUARD::QAR1(G),XB(d)
- Refutation
- S(a);
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(e);XR(C)::S(B)
- B(c);::QAB1(G)
- B(c);N_GUARD::QAB1(G),XB(c)
- B(c);N_GUARD::QAB1(G)
- B(d);N_GUARD::QAR1(G)
- S(a);::QAB(G),XB(c)
- P(f);::QAB(G),XB(c)
- Refutation
- P(f);
- Try
- Actual
- R(C);
- Threat
- S(B)
- Vars
- B(d);N_GUARD,XP(E)::R(C)+S(F)
- B(d);N_GUARD,XR(C)::QAR1(G)
- B(c);N_GUARD::QAB1(G),XB(c)
- B(d);N_GUARD::QAR1(G),XB(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).