MESON Chess Problem Database
Problem Display
PID: 106222 (1b1R2K1/5pB1/br5p/7Q/4pk1n/r7/2B2P2/5NN1 w - - 0 1)
Kuligin, Nikolai Volodimirovich
Praca, 1991
#2
8 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sh3#
- 1...Ra2
- 2.Sh3#
- 1...Rd3
- 2.Se2#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.Sxh3#
- 1...Ra4
- 2.Sh3#
- 1...Ra5
- 2.Sh3#
- 1...Rb1
- 2.Bxh6#
- 1...Rb2
- 2.Bxh6#
- 1...Rb3
- 2.Bxh6#
- 1...Rb4
- 2.Bxh6#
- 1...Rb5
- 2.Se2#
- 1...Rd6
- 2.Be5#
- 1...Rb7
- 2.Bxh6#
- 1...Be2
- 2.Sxe2#
- 1...Bd3
- 2.Sh3#
- 1...Bb7
- 2.Se2#
- 1...Bc8
- 2.Se2#
- 1...Be5
- 2.Bxe5#
- 1...Bd6
- 2.Bxh6#
- 1...Ba7
- 2.Be5#
- 1...Sf3
- 2.Sh3#
- 1...Sg6
- 2.Bxh6#
- 1...e3
- 2.Sh3#
- 2.Rd4#
- 2.Qxh4#
- 1...f5
- 2.Qxh4#
- 1...f6
- 2.Bxh6#
- 1...Ra1
- Tries
- 1.Se3?
- threat
- 2.Sh3#
- 2.Sd5#
- 2.Qg4#
- 2.Qxh4#
- 1...Rd3
- 2.Se2#
- 2.Sh3#
- 2.Qg4#
- 2.Qxh4#
- 1...Ra5
- 2.Sh3#
- 2.Qg4#
- 2.Qxh4#
- 1...Rb5
- 2.Se2#
- 2.Sh3#
- 2.Qg4#
- 2.Qxh4#
- 1...Rd6
- 2.Sh3#
- 2.Be5#
- 2.Qg4#
- 2.Qxh4#
- 2.Qe5#
- 1...Rf6
- 2.Sh3#
- 2.Sd5#
- 1...Rg6
- 2.Sh3#
- 2.Sd5#
- 1...Bf1
- 2.Sd5#
- 2.Qg4#
- 2.Qxh4#
- 1...Be2
- 2.Sxe2#
- 2.Sh3#
- 2.Sd5#
- 1...Bc4
- 2.Sh3#
- 2.Qg4#
- 2.Qxh4#
- 1...Bb7
- 2.Se2#
- 2.Sh3#
- 2.Qg4#
- 2.Qxh4#
- 1...Bc8
- 2.Se2#
- 2.Sd5#
- 1...Sg2
- 2.Sh3#
- 2.Sxg2#
- 2.Sd5#
- 2.Qg4#
- 2.Qf5#
- 1...Sf3
- 2.Sh3#
- 2.Sg2#
- 2.Sd5#
- 2.Qg4#
- 2.Qf5#
- 1...Sf5
- 2.Sh3#
- 2.Sg2#
- 2.Sd5#
- 2.Qg4#
- 2.Qxf5#
- 1...Sg6
- 2.Sh3#
- 2.Sg2#
- 2.Sd5#
- 2.Bxh6#
- 2.Qg4#
- 2.Qf5#
- 2.Qxh6#
- 1...f5
- 2.Sh3#
- 2.Sd5#
- 2.Qxh4#
- 1...f6
- 2.Sh3#
- 2.Sd5#
- 2.Bxh6#
- 1...Rxe3!
- threat
- 1.Sg3?
- threat
- 2.Sh3#
- 2.Qxh4#
- 1...Rf6
- 2.Sh3#
- 1...Rg6
- 2.Sh3#
- 1...Bf1
- 2.Qxh4#
- 1...Be2
- 2.S1xe2#
- 2.Sh3#
- 2.S3xe2#
- 1...Bc8
- 2.S1e2#
- 2.S3e2#
- 1...Sg2
- 2.Sh3#
- 2.Qf5#
- 1...Sf3
- 2.Sh3#
- 2.Qf5#
- 1...Sf5
- 2.Sh3#
- 2.Qxf5#
- 1...Sg6
- 2.Sh3#
- 2.Bxh6#
- 2.Qf5#
- 1...f6
- 2.Sh3#
- 2.Bxh6#
- 1...Rxg3!
- threat
- 1.Rd3?
- threat
- 2.Se2#
- 2.Sh3#
- 1...Rxd3
- 2.Se2#
- 1...Bxd3
- 2.Sh3#
- 1...e3
- 2.Rd4#
- 1...Bc8
- 2.Se2#
- 1...exd3!
- threat
- 1.Rd4?
- threat
- 2.Rxe4#
- 1...Rd3
- 2.Se2#
- 1...Re3
- 2.fxe3#
- 1...Ra4
- 2.Sh3#
- 1...Rb4
- 2.Bxh6#
- 1...Bd3
- 2.Sh3#
- 1...Bb7
- 2.Se2#
- 1...f5
- 2.Qxh4#
- 1...Re6!
- threat
- 1.Rd5?
- threat
- 2.Qxh4#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.Sxh3#
- 1...Be2
- 2.Sxe2#
- 1...Bc8
- 2.Se2#
- 1...Be5
- 2.Bxe5#
- 1...Sg2
- 2.Rf5#
- 2.Qf5#
- 1...Sf3
- 2.Sh3#
- 2.Rf5#
- 2.Qf5#
- 1...Sf5
- 2.Rxf5#
- 2.Qxf5#
- 1...Sg6
- 2.Bxh6#
- 2.Rf5#
- 2.Qf5#
- 1...Rg6!
- threat
- 1.Rd6?
- threat
- 2.Be5#
- 2.Bxh6#
- 1...Rxd6
- 2.Be5#
- 1...Bxd6
- 2.Bxh6#
- 1...Rg3
- 2.fxg3#
- 1...Ra5
- 2.Sh3#
- 1...Rb5
- 2.Se2#
- 1...Sf3
- 2.Sh3#
- 1...Sg6
- 2.Bxh6#
- 1...f5
- 2.Qxh4#
- 1...f6
- 2.Bxh6#
- 1...Sf5!
- threat
- 1.Re8?
- threat
- 2.Rxe4#
- 1...Rd3
- 2.Se2#
- 1...Re3
- 2.fxe3#
- 1...Ra4
- 2.Sh3#
- 1...Rb4
- 2.Bxh6#
- 1...Bd3
- 2.Sh3#
- 1...Bb7
- 2.Se2#
- 1...Be5
- 2.Bxe5#
- 1...e3
- 2.Sh3#
- 2.Re4#
- 2.Qxh4#
- 1...f5
- 2.Qxh4#
- 1...Re6!
- threat
- 1.Qe5+?
- 1...Kg4
- 2.Sh2#
- 1...Bxe5!
- 1...Kg4
- 1.Se3?
- Keys
- 1.Bd3!
- threat
- 2.Se2#
- 2.Sh3#
- 1...Rxd3
- 2.Se2#
- 1...Bxd3
- 2.Sh3#
- 1...exd3
- 2.Rd4#
- 1...Ra2
- 2.Sh3#
- 1...Rb2
- 2.Sh3#
- 2.Bxh6#
- 1...Bc8
- 2.Se2#
- threat
- 1.Bd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 22
- Sets
- R(a);N_GUARD::S(B)
- R(a);S_CUTB(e)::S(B)
- R(a);OGATE::P(D),XR(a)
- R(a);OGATE,P_PINB(F)::P(D),XR(a)
- R(a);N_GUARD::S(B),XR(a)
- R(f);N_GUARD::B(F),XP(g)
- R(f);S_CUTB(e)::S(B)
- R(f);S_CUTB(i)::B(F)
- B(e);N_GUARD::S(B),XB(e)
- B(e);S_CUTR(a)::S(B)
- B(e);N_GUARD::S(B)
- B(i);N_GUARD::B(F),XB(i)
- B(i);S_CUTR(f)::B(F),XP(g)
- B(i);N_GUARD::B(F)
- S(d);S_CUTR(a)::S(B)
- S(d);S_CUTR(f)::B(F),XP(g)
- P(h);SBLOCK::QAR2(E),XS(d)
- P(h);S_CUTR(f)::B(F),XP(g)
- Tries
- Try
- S(A);
- Threat
- DUALS(4)
- Refutation
- R(a);XS(A)
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- R(f);::S(B)
- R(f);P_PINB(F)::S(B)
- B(e);::QAR2(E),XS(d)
- Refutation
- R(a);P_PINB(F),XS(A)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(a);XR(G)::S(B)
- B(e);XR(G)::S(B)
- P(b);OGATEB::R(G)
- B(e);::S(B)
- Refutation
- P(b);XR(G)
- Try
- R(G);P_PINP(b)
- Threat
- R1(G),XP(b)
- Vars
- R(a);S_CUTB(e)::S(B)
- R(a);OGATE::P(D),XR(a)
- R(a);N_GUARD::S(B)
- R(f);N_GUARD::B(F),XP(g)
- B(e);S_CUTR(a)::S(B)
- B(e);N_GUARD::S(B)
- P(h);SBLOCK::QAR2(E),XS(d)
- Refutation
- R(f);
- Try
- R(G);
- Threat
- QAR2(E),XS(d)
- Vars
- R(a);OGATE,P_PINB(F)::P(D),XR(a)
- R(a);N_GUARD::S(B),XR(a)
- B(e);N_GUARD::S(B),XB(e)
- B(e);N_GUARD::S(B)
- B(i);N_GUARD::B(F),XB(i)
- Refutation
- R(f);P_PINB(F)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(f);XR(G)::B(F)
- B(i);XR(G)::B(F),XP(g)
- R(a);OGATE,P_PINB(F)::P(D),XR(a)
- R(a);N_GUARD::S(B)
- R(f);S_CUTB(e)::S(B)
- S(d);S_CUTR(a)::S(B)
- S(d);::B(F),XP(g)
- P(h);SBLOCK::QAR2(E),XS(d)
- P(h);::B(F),XP(g)
- Refutation
- S(d);
- Try
- R(G);
- Threat
- R1(G),XP(b)
- Vars
- R(a);S_CUTB(e)::S(B)
- R(a);OGATE::P(D),XR(a)
- R(a);N_GUARD::S(B)
- R(f);N_GUARD::B(F),XP(g)
- B(e);S_CUTR(a)::S(B)
- B(e);N_GUARD::S(B)
- B(i);N_GUARD::B(F),XB(i)
- P(h);SBLOCK::QAR2(E),XS(d)
- Refutation
- R(f);
- Try
- Q(E);CHECK
- Vars
- K(c);P-FLIGHT::S(A)
- Refutation
- B(i);XQ(E)
- Try
- Actual
- B(C);
- Threat
- DUALS(2)
- Vars
- R(a);XB(C)::S(B)
- B(e);XB(C)::S(B)
- P(b);OGATEB,XB(C)::R(G)
- R(a);::S(B)
- B(e);::S(B)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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