MESON Chess Problem Database
Problem Display
PID: 111167 (1B2R3/p4R2/1p5b/3p2r1/1QbkB1P1/1Pp3N1/1r2P1K1/3N4 w - - 0 1)
Shedey, Sergey Oleksandrovich
Tichooceanskij Koms, 1975
#2
11 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.e3#
- 1...Rxe2+
- 2.Sxe2#
- 1...Rxb3
- 2.e3#
- 1...Rxg4
- 2.Be5#
- 1...Re5
- 2.Bxe5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 2.Be5#
- 1...Rg7
- 2.Sf5#
- 2.Be5#
- 1...Rg8
- 2.Sf5#
- 2.Be5#
- 1...c2
- 2.e3#
- 1...dxe4
- 2.Qxc4#
- 1...b5
- 2.Bxa7#
- 1...a5
- 2.Qxb6#
- 1...a6
- 2.Qxb6#
- 1...Rb1
- Tries
- 1.Kg1?
- threat
- 2.e3#
- 1...Rxe2
- 2.Sxe2#
- 1...Rxg4
- 2.Be5#
- 1...dxe4
- 2.Qxc4#
- 1...Re5
- 2.Bxe5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 2.Be5#
- 1...Rg7
- 2.Sf5#
- 2.Be5#
- 1...Rg8
- 2.Sf5#
- 2.Be5#
- 1...Rh5!
- threat
- 1.Kh1?
- threat
- 2.e3#
- 1...Rxe2
- 2.Sxe2#
- 1...Rxg4
- 2.Sf5#
- 2.Be5#
- 1...dxe4
- 2.Qxc4#
- 1...Re5
- 2.Bxe5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 2.Be5#
- 1...Rg7
- 2.Sf5#
- 2.Be5#
- 1...Rg8
- 2.Sf5#
- 2.Be5#
- 1...Rh5+!
- threat
- 1.Kh3?
- threat
- 2.e3#
- 1...Rxe2
- 2.Sxe2#
- 1...Rxg4
- 2.Sf5#
- 2.Be5#
- 1...dxe4
- 2.Qxc4#
- 1...Re5
- 2.Bxe5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 2.Be5#
- 1...Rg7
- 2.Sf5#
- 2.Be5#
- 1...Rg8
- 2.Sf5#
- 2.Be5#
- 1...Rh5+!
- threat
- 1.Bb1?
- threat
- 2.Rf4#
- 1...Rxe2+
- 2.Sxe2#
- 1...Rxg4
- 2.Be5#
- 1...Re5
- 2.Bxe5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 2.Be5#
- 1...Rg7
- 2.Sf5#
- 2.Be5#
- 1...Rg8
- 2.Sf5#
- 2.Be5#
- 1...Rh5!
- threat
- 1.Bc2?
- threat
- 2.Rf4#
- 2.e3#
- 1...Rxc2
- 2.Rf4#
- 1...Rxg4
- 2.Be5#
- 1...Re5
- 2.Bxe5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 2.Be5#
- 1...Rg7
- 2.Sf5#
- 2.Be5#
- 1...Rg8
- 2.Sf5#
- 2.Be5#
- 1...Rh5!
- threat
- 1.Bf5?
- threat
- 2.Be5#
- 1...Rxe2+
- 2.Sxe2#
- 1...Rxf5
- 2.Sxf5#
- 1...Bg7!
- threat
- 1.Bg6?
- threat
- 2.Rf4#
- 1...Rxe2+
- 2.Sxe2#
- 1...Rxg4
- 2.Be5#
- 1...Rxg6
- 2.Sf5#
- 2.Be5#
- 1...Re5
- 2.Bxe5#
- 1...Rf5
- 2.Sxf5#
- 1...Rh5!
- threat
- 1.Bh7?
- threat
- 2.Rf4#
- 1...Rxe2+
- 2.Sxe2#
- 1...Rxg4
- 2.Be5#
- 1...Re5
- 2.Bxe5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 2.Be5#
- 1...Rg7
- 2.Sf5#
- 2.Be5#
- 1...Rg8
- 2.Sf5#
- 2.Be5#
- 1...Rh5!
- threat
- 1.Bf4?
- threat
- 2.Be3#
- 1...Rxe2+
- 2.Sxe2#
- 1...Rxg4
- 2.Be5#
- 1...dxe4
- 2.Qxc4#
- 1...Re5
- 2.Bxe5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 2.Be5#
- 1...Rg7
- 2.Sf5#
- 2.Be5#
- 1...Rg8
- 2.Sf5#
- 2.Be5#
- 1...Rh5!
- threat
- 1.Bd6?
- threat
- 2.Qxc3#
- 1...Rxe2+
- 2.Sxe2#
- 1...Rxb3
- 2.e3#
- 1...dxe4
- 2.Qxc4#
- 1...c2
- 2.Qc3#
- 2.e3#
- 1...Rc2!
- threat
- 1.Bxa7?
- threat
- 2.Bxb6#
- 2.Qxb6#
- 1...Rxe2+
- 2.Sxe2#
- 1...Rxb3
- 2.Bxb6#
- 2.e3#
- 1...dxe4
- 2.Qxc4#
- 1...Rg6
- 2.Sf5#
- 1...Bf8!
- threat
- 1.Rf2?
- threat
- 2.e3#
- 1...Rxe2
- 2.Sxe2#
- 1...Rxg4
- 2.Be5#
- 1...dxe4
- 2.Qxc4#
- 1...Re5
- 2.Bxe5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 2.Be5#
- 1...Rg7
- 2.Sf5#
- 2.Be5#
- 1...Rg8
- 2.Sf5#
- 2.Be5#
- 1...Rh5!
- threat
- 1.Rf3?
- threat
- 2.Rd3#
- 1...Rxe2+
- 2.Sxe2#
- 1...dxe4
- 2.Qxc4#
- 1...Rd2!
- threat
- 1.Rf4?
- threat
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bf3#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...Rxe2+
- 2.Sxe2#
- 1...Rxg4
- 2.Be5#
- 1...dxe4
- 2.Qxc4#
- 1...Rb1
- 2.Bxb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bf3#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 2.e3#
- 1...Rc2
- 2.Bxc2#
- 2.Bd3#
- 2.Bf3#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...Re5
- 2.Bxe5#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 2.Be5#
- 1...Rg7
- 2.Sf5#
- 2.Be5#
- 1...Rg8
- 2.Sf5#
- 2.Be5#
- 1...c2
- 2.Bxc2#
- 2.Bd3#
- 2.Bf3#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 2.e3#
- 1...Rh5!
- threat
- 1.Rf5?
- threat
- 2.Be5#
- 1...Rxe2+
- 2.Sxe2#
- 1...Rxf5
- 2.Sxf5#
- 1...dxe4
- 2.Rxe4#
- 2.Rd8#
- 2.Qxc3#
- 2.Qxc4#
- 1...Bg7!
- threat
- 1.Rc7?
- threat
- 2.Qxc3#
- 1...Rxe2+
- 2.Sxe2#
- 1...Rxb3
- 2.e3#
- 1...dxe4
- 2.Qxc4#
- 1...c2
- 2.Qc3#
- 2.e3#
- 1...Rc2!
- threat
- 1.Kg1?
- Keys
- 1.Rd7!
- threat
- 2.Qxc4#
- 1...Rxe2+
- 2.Sxe2#
- 1...Rxb3
- 2.e3#
- 1...b5
- 2.Bxa7#
- threat
- 1.Rd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- R(a);N_PINP(B)::P(B)
- R(a);CHECK,XP(B)::S(E),XR(a)
- R(a);N_PINP(B),XP(D)::P(B)
- R(f);N_GUARD,P_PINS(E),XP(H)::B(J)
- R(f);N_GUARD::B(J),XR(f)
- R(f);N_GUARD::S(E),XR(f)
- P(b);N_PINP(B)::P(B)
- P(e);N_GUARD,XB(G)::QAR1(F),XB(c)
- P(g);OGATEB::B(J),XP(i)
- P(i);N_GUARD::QAB(F),XP(g)
- Tries
- Try
- K(C);N_SPINP(B),P-FLIGHT
- Threat
- P(B)
- Vars
- R(a);XP(B)::S(E),XR(a)
- R(f);N_GUARD,P_PINS(E),XP(H)::B(J)
- P(e);N_GUARD,XB(G)::QAR1(F),XB(c)
- R(f);N_GUARD::B(J),XR(f)
- R(f);N_GUARD::S(E),XR(f)
- Refutation
- R(f);
- Try
- K(C);N_SPINP(B),S_FLIGHT
- Threat
- P(B)
- Vars
- R(a);XP(B)::S(E),XR(a)
- P(e);N_GUARD,XB(G)::QAR1(F),XB(c)
- R(f);N_GUARD::B(J),XR(f)
- R(f);N_GUARD::S(E),XR(f)
- Refutation
- R(f);CHECK
- Try
- K(C);N_SPINP(B),S_FLIGHT
- Threat
- P(B)
- Vars
- R(a);XP(B)::S(E),XR(a)
- P(e);N_GUARD,XB(G)::QAR1(F),XB(c)
- R(f);N_GUARD::B(J),XR(f)
- R(f);N_GUARD::S(E),XR(f)
- Refutation
- R(f);CHECK
- Try
- B(G);
- Threat
- R(I)
- Vars
- R(a);CHECK,XP(B)::S(E),XR(a)
- R(f);N_GUARD,P_PINS(E),XP(H)::B(J)
- R(f);N_GUARD::B(J),XR(f)
- R(f);N_GUARD::S(E),XR(f)
- Refutation
- R(f);
- Try
- B(G);N_SPINP(B)
- Threat
- DUALS(2)
- Vars
- R(a);P_PINP(B),XB(G)::R(I)
- R(f);N_GUARD,P_PINS(E),XP(H)::B(J)
- R(f);N_GUARD::B(J),XR(f)
- R(f);N_GUARD::S(E),XR(f)
- Refutation
- R(f);
- Try
- B(G);
- Threat
- B(J)
- Vars
- R(a);CHECK,XP(B)::S(E),XR(a)
- R(f);XB(G)::S(E),XR(f)
- Refutation
- B(h);
- Try
- B(G);
- Threat
- R(I)
- Vars
- R(a);CHECK,XP(B)::S(E),XR(a)
- R(f);N_GUARD,P_PINS(E),XP(H)::B(J)
- R(f);N_GUARD::B(J),XR(f)
- R(f);N_GUARD::S(E),XR(f)
- Refutation
- R(f);
- Try
- B(G);
- Threat
- R(I)
- Vars
- R(a);CHECK,XP(B)::S(E),XR(a)
- R(f);N_GUARD,P_PINS(E),XP(H)::B(J)
- R(f);N_GUARD::B(J),XR(f)
- R(f);N_GUARD::S(E),XR(f)
- Refutation
- R(f);
- Try
- B(J);
- Threat
- B(J)
- Vars
- R(a);CHECK,XP(B)::S(E),XR(a)
- R(f);N_GUARD,P_PINS(E),XP(H)::B(J)
- P(e);N_GUARD,XB(G)::QAR1(F),XB(c)
- R(f);N_GUARD::B(J),XR(f)
- R(f);N_GUARD::S(E),XR(f)
- Refutation
- R(f);
- Try
- B(J);
- Threat
- QAB1(F),XP(b)
- Vars
- R(a);CHECK,XP(B)::S(E),XR(a)
- R(a);N_PINP(B),XP(D)::P(B)
- P(e);N_GUARD,XB(G)::QAR1(F),XB(c)
- Refutation
- R(a);
- Try
- B(J);P_PINP(g),XP(i)
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,XP(B)::S(E),XR(a)
- P(e);N_GUARD,XB(G)::QAR1(F),XB(c)
- R(f);N_GUARD::S(E)
- Refutation
- B(h);
- Try
- R(I);N_SPINP(B)
- Threat
- P(B)
- Vars
- R(a);P_PINR(I),XP(B)::S(E),XR(a)
- R(f);N_GUARD,P_PINS(E),XP(H)::B(J)
- P(e);N_GUARD,XB(G)::QAR1(F),XB(c)
- R(f);N_GUARD::B(J),XR(f)
- R(f);N_GUARD::S(E),XR(f)
- Refutation
- R(f);
- Try
- R(I);
- Threat
- R1(I)
- Vars
- R(a);CHECK,XP(B)::S(E),XR(a)
- P(e);N_GUARD,XB(G)::QAR1(F),XB(c)
- Refutation
- R(a);
- Try
- R(I);
- Threat
- DUALS(7)
- Vars
- R(a);CHECK,XP(B)::S(E),XR(a)
- R(f);N_GUARD,P_PINS(E),XP(H)::B(J)
- P(e);N_GUARD,P_SPINP(e),XB(G)::QAR1(F),XB(c)
- R(f);N_GUARD::B(J),XR(f)
- R(f);N_GUARD::S(E),XR(f)
- Refutation
- R(f);
- Try
- R(I);
- Threat
- B(J)
- Vars
- R(a);CHECK,XP(B)::S(E),XR(a)
- R(f);XR(I)::S(E),XR(f)
- Refutation
- B(h);
- Try
- R(I);
- Threat
- QAB1(F),XP(b)
- Vars
- R(a);CHECK,XP(B)::S(E),XR(a)
- R(a);N_PINP(B),XP(D)::P(B)
- P(e);N_GUARD,XB(G)::QAR1(F),XB(c)
- Refutation
- R(a);
- Try
- Actual
- R(I);P_PINP(e)
- Threat
- QAR1(F),XB(c)
- Vars
- R(a);CHECK,XP(B)::S(E),XR(a)
- R(a);N_PINP(B),XP(D)::P(B)
- P(g);OGATEB::B(J),XP(i)
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).