MESON Chess Problem Database
Problem Display
PID: 132062 (qb2R1n1/1N2p3/7p/r6R/2Ppk1p1/3p2B1/3P1Q2/5bK1 w - - 0 1)
Skrzek, Janusz
9th Comm., Wola Gulowska, 1994
#2
8 + 11
| 15345 | Wola Gulowska Award | 1994 |
| 56 | The Problemist | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sc5#
- 2.Qf5#
- 1...Ra2
- 2.Sc5#
- 2.Qf5#
- 1...Ra3
- 2.Sc5#
- 2.Qf5#
- 1...Ra4
- 2.Sc5#
- 2.Qf5#
- 1...Rc5
- 2.Sxc5#
- 1...Re5
- 2.Qf4#
- 1...Rf5
- 2.Qxf5#
- 1...Ra6
- 2.Sc5#
- 2.Qf5#
- 1...Ra7
- 2.Sc5#
- 2.Qf5#
- 1...Bg2
- 2.Qxg2#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Qf5#
- 1...Bd6
- 2.Sxd6#
- 1...Ba7
- 2.Sd6#
- 2.Qf4#
- 1...e5
- 2.Qf4#
- 2.Qf5#
- 1...Ra1
- Tries
- 1.Be5?
- threat
- 2.Qf4#
- 2.Qf5#
- 1...Bxe5
- 2.Qf5#
- 1...e6
- 2.Qf4#
- 1...Rxe5!
- threat
- 1.Bc7?
- threat
- 2.Sd6#
- 2.Qf4#
- 1...Qxb7
- 2.Qf4#
- 1...Rxh5
- 2.Qf4#
- 1...Qa6
- 2.Qf4#
- 1...Rd5
- 2.Qf4#
- 1...Re5
- 2.Rxe5#
- 1...Rf5
- 2.Qxf5#
- 1...Rg5
- 2.Qf4#
- 1...Ra6
- 2.Sc5#
- 2.Re5#
- 2.Qf4#
- 2.Qf5#
- 1...e5
- 2.Sd6#
- 2.Qf5#
- 1...Bxc7!
- threat
- 1.Bxb8?
- threat
- 2.Sd6#
- 2.Qf4#
- 1...Qxb7
- 2.Qf4#
- 1...Rxh5
- 2.Qf4#
- 1...Qa6
- 2.Qf4#
- 1...Rd5
- 2.Qf4#
- 1...Re5
- 2.Rxe5#
- 1...Rf5
- 2.Qxf5#
- 1...Rg5
- 2.Qf4#
- 1...Ra6
- 2.Sc5#
- 2.Re5#
- 2.Qf4#
- 2.Qf5#
- 1...e5
- 2.Sd6#
- 2.Qf5#
- 1...Qxb8!
- threat
- 1.Rxa5?
- threat
- 2.Sc5#
- 2.Qf5#
- 1...Qxb7
- 2.Qf5#
- 1...Bxg3
- 2.Qf5#
- 1...Qa7
- 2.Qf5#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Sc5#
- 2.Rxe5#
- 1...Bd6
- 2.Sxd6#
- 2.Qf5#
- 1...Ba7
- 2.Sd6#
- 2.Re5#
- 2.Qf4#
- 2.Qf5#
- 1...e5
- 2.Sc5#
- 2.Qf4#
- 1...Qxa5!
- threat
- 1.Rb5?
- threat
- 2.Sc5#
- 2.Qf5#
- 1...Qxb7
- 2.Qf5#
- 1...Bxg3
- 2.Qf5#
- 1...Qa7
- 2.Qf5#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Sc5#
- 1...Bd6
- 2.Sxd6#
- 2.Qf5#
- 1...Ba7
- 2.Sd6#
- 2.Qf4#
- 2.Qf5#
- 1...e5
- 2.Sc5#
- 2.Qf4#
- 1...Rxb5!
- threat
- 1.Rc5?
- threat
- 2.Qf5#
- 1...Rxc5
- 2.Sxc5#
- 1...Bf4
- 2.Qxf4#
- 1...e5
- 2.Qf4#
- 1...Be5!
- threat
- 1.Re5+?
- 1...Rxe5
- 2.Qf4#
- 1...Bxe5!
- 1...Rxe5
- 1.Rxe7+?
- 1...Re5
- 2.Sc5#
- 2.Qf4#
- 2.Qf5#
- 1...Be5
- 2.Sd6#
- 2.Qf4#
- 2.Qf5#
- 1...Sxe7!
- 1...Re5
- 1.Rxb8?
- threat
- 2.Qf4#
- 1...Rf5
- 2.Qxf5#
- 1...e5
- 2.Sd6#
- 2.Qf5#
- 1...Qxb8!
- threat
- 1.Qxd4+?
- 1...Kf3
- 2.Qe3#
- 1...Kxd4!
- 1...Kf3
- 1.c5?
- threat
- 2.Qf5#
- 1...Rxc5
- 2.Sxc5#
- 1...Be5
- 2.Rxe5#
- 1...Bf4
- 2.Qxf4#
- 1...e5!
- threat
- 1.Be5?
- Keys
- 1.Bd6!
- threat
- 2.Qf4#
- 1...Bxd6
- 2.Sxd6#
- 1...Re5
- 2.Rxe5#
- 1...Rf5
- 2.Qxf5#
- 1...e5
- 2.Qf5#
- threat
- 1.Bd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(f);N_GUARD::S(G),XR(f)
- R(f);N_SPINP(h),S_CUTB(j)::QAR1(C)
- R(f);N_GUARD::QAB1(C),XR(f)
- B(a);N_GUARD::QAB(C),XB(a)
- B(j);N_GUARD::QAR1(C),XB(j)
- B(j);N_SPINP(h),S_CUTR(f)::QAB1(C)
- B(j);N_GUARD::S(G),XB(j)
- Tries
- Try
- B(D);N_PINP(h)
- Threat
- DUALS(2)
- Vars
- B(j);XB(D)::QAB1(C)
- P(h);::QAR1(C)
- Refutation
- R(f);XB(D)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- Q(i);XS(G)::QAR1(C)
- R(f);XR(F)::QAR1(C)
- Q(i);::QAR1(C)
- R(f);::QAR1(C)
- R(f);N_GUARD,N_SPINP(h)::R1(F),XR(f)
- R(f);N_GUARD::QAB1(C),XR(f)
- Refutation
- B(j);XB(D)
- Try
- B(D);XB(j)
- Threat
- DUALS(2)
- Vars
- Q(i);XS(G)::QAR1(C)
- R(f);XR(F)::QAR1(C)
- Q(i);::QAR1(C)
- R(f);::QAR1(C)
- R(f);N_GUARD,N_SPINP(h)::R1(F),XR(f)
- R(f);N_GUARD::QAB1(C),XR(f)
- Refutation
- Q(i);XB(D)
- Try
- R(F);XR(f)
- Threat
- DUALS(2)
- Vars
- Q(i);XS(G)::QAB1(C)
- B(j);XB(D)::QAB1(C)
- Q(i);::QAB1(C)
- B(j);N_GUARD::QAR1(C),XB(j)
- Refutation
- Q(i);XR(F)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- Q(i);XS(G)::QAB1(C)
- B(j);XB(D)::QAB1(C)
- Q(i);::QAB1(C)
- B(j);N_GUARD::QAR1(C),XB(j)
- B(j);N_SPINP(h)::S(G)
- Refutation
- R(f);XR(F)
- Try
- R(F);
- Threat
- QAB1(C)
- Vars
- R(f);XR(F)::S(G),XR(f)
- B(j);N_GUARD::QAR1(C),XB(j)
- P(h);S_CUTB(j)::QAR1(C)
- Refutation
- B(j);N_SPINP(h)
- Try
- R(F);CHECK,N_PINP(h)
- Vars
- R(f);XR(F)::QAR1(C)
- Refutation
- B(j);XR(F)
- Try
- R(H);CHECK,XP(h)
- Refutation
- S(k);XR(H)
- Try
- R(H);N_PINP(h),XB(j)
- Threat
- QAR1(C)
- Vars
- R(f);N_GUARD::QAB1(C),XR(f)
- Refutation
- Q(i);XR(H)
- Try
- Q(C);CHECK,XP(c)
- Vars
- K(d);N_SPINP(h),S_FLIGHT::QAR1(C)
- Refutation
- K(d);N_SPINP(h),P-FLIGHT,XQ(C)
- Try
- P(E);
- Threat
- QAB1(C)
- Vars
- R(f);XP(E)::S(G),XR(f)
- B(j);N_GUARD,N_SPINP(h)::R1(F),XB(j)
- B(j);N_GUARD::QAR1(C),XB(j)
- Refutation
- P(h);
- Try
- Actual
- B(D);
- Threat
- QAR1(C)
- Vars
- B(j);XB(D)::S(G),XB(j)
- R(f);N_GUARD,N_SPINP(h)::R1(F),XR(f)
- R(f);N_GUARD::QAB1(C),XR(f)
- P(h);S_CUTR(f)::QAB1(C)
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).