MESON Chess Problem Database
Problem Display
PID: 7842 (1B1RnQ2/4P2b/r3B3/1R4r1/1b3P2/2k1n1p1/PNN1P3/2K5 w - - 0 1)
Prins, Hendrik
HM., Martin, 1994-1995
#2
12 + 8
| 5417 | FIDE Album (1995-1997) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Rg4
- 2.Be5#
- 1...Re5
- 2.Bxe5#
- 1...Rf5
- 2.Rd3#
- 1...Rg6
- 2.Be5#
- 2.Rd3#
- 1...Rg7
- 2.Be5#
- 1...Rg8
- 2.Be5#
- 1...Ra4
- 2.Sxa4#
- 1...Rb6
- 2.Sa4#
- 1...Rc6
- 2.Sa4#
- 1...Rd6
- 2.Sa4#
- 1...Ba3
- 2.Rb3#
- 1...Ba5
- 2.Sa4#
- 2.Rb3#
- 1...Bc5
- 2.Rb3#
- 1...Bd6
- 2.Rb3#
- 1...Bxe7
- 2.Rb3#
- 1...Bd3
- 2.Rxd3#
- 1...Bf5
- 2.Be5#
- 1...Bg8
- 2.Rd3#
- 1...Sd1
- 2.Sxd1#
- 1...Sf1
- 2.Sd1#
- 1...Sxc2
- 2.Sd1#
- 1...Sg2
- 2.Sd1#
- 1...Sc4
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Sf5
- 2.Sd1#
- 2.Rd3#
- 1...Rg4
- Tries
- 1.Bf5?
- threat
- 2.Be5#
- 2.Rd3#
- 1...Rxf5
- 2.Rd3#
- 1...Rxa2
- 2.Rd3#
- 1...Bxf5
- 2.Be5#
- 1...Sxc2
- 2.Rd3#
- 1...Sxf5
- 2.Rd3#
- 1...Re6
- 2.Rd3#
- 1...Bc5
- 2.Rb3#
- 2.Rd3#
- 1...Bd6
- 2.Rb3#
- 1...Sc4
- 2.Sd1#
- 2.Rd3#
- 1...Sg4
- 2.Rd3#
- 1...Sd5
- 2.Be5#
- 1...Sd6
- 2.Qf6#
- 1...Sc7
- 2.Rd3#
- 1...Rd6!
- threat
- 1.Rf5?
- threat
- 2.Be5#
- 2.Rd3#
- 1...Rxf5
- 2.Rd3#
- 1...Rxe6
- 2.Rd3#
- 1...Bxf5
- 2.Be5#
- 1...Sxc2
- 2.Sd1#
- 2.Rd3#
- 1...Sxf5
- 2.Sd1#
- 2.Rd3#
- 1...Ra5
- 2.Rd3#
- 1...Rd6
- 2.Sa4#
- 1...Bc5
- 2.Rd3#
- 1...Sc4
- 2.Sd1#
- 2.Rd3#
- 1...Sg4
- 2.Sd1#
- 2.Rd3#
- 1...Sd5
- 2.Be5#
- 1...Sd6
- 2.Qf6#
- 1...Sc7
- 2.Rd3#
- 2.Qf6#
- 1...Bd6!
- threat
- 1.Rc8+?
- 1...Rc5
- 2.Be5#
- 1...Rc6
- 2.Sa4#
- 1...Bc5
- 2.Rb3#
- 1...Sc4
- 2.Sd1#
- 2.Rxc4#
- 1...Sc7!
- 1...Rc5
- 1.Qf5?
- threat
- 2.Be5#
- 2.Rd3#
- 1...Rxf5
- 2.Rd3#
- 1...Rxe6
- 2.Rd3#
- 1...Bxf5
- 2.Be5#
- 1...Sxc2
- 2.Sd1#
- 2.Rd3#
- 1...Sxf5
- 2.Sd1#
- 2.Rd3#
- 1...Rd6
- 2.Sa4#
- 1...Bc5
- 2.Rb3#
- 2.Rd3#
- 1...Bd6
- 2.Rb3#
- 1...Sc4
- 2.Sd1#
- 2.Rd3#
- 1...Sg4
- 2.Sd1#
- 2.Rd3#
- 1...Sd5
- 2.Be5#
- 1...Sc7
- 2.Rd3#
- 1...Sd6!
- threat
- 1.Qf6+?
- 1...Re5
- 2.Bxe5#
- 2.Qxe5#
- 1...Sxf6!
- 1...Re5
- 1.fxg5?
- threat
- 2.Be5#
- 1...Sxc2
- 2.Sd1#
- 1...Rd6
- 2.Sa4#
- 1...Bc5
- 2.Rb3#
- 1...Bd6
- 2.Rb3#
- 1...Sc4
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Sf5
- 2.Sd1#
- 2.Rd3#
- 1...Sd6
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Sc7
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Rxe6!
- threat
- 1.Bf5?
- Keys
- 1.f5!
- threat
- 2.Be5#
- 2.Rd3#
- 1...Rxf5
- 2.Rd3#
- 1...Rxe6
- 2.Rd3#
- 1...Bxf5
- 2.Be5#
- 1...Sxc2
- 2.Sd1#
- 2.Rd3#
- 1...Sxf5
- 2.Sd1#
- 2.Rd3#
- 1...Rg4
- 2.Rd3#
- 1...Rd6
- 2.Sa4#
- 1...Bc5
- 2.Rb3#
- 2.Rd3#
- 1...Bd6
- 2.Rb3#
- 1...Sc4
- 2.Sd1#
- 2.Rd3#
- 1...Sg4
- 2.Sd1#
- 2.Rd3#
- 1...Sd5
- 2.Be5#
- 1...Sd6
- 2.Qf6#
- 1...Sc7
- 2.Rd3#
- 2.Qf6#
- threat
- 1.f5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 17
- Sets
- R(e);N_GUARD::B(J)
- R(e);N_GUARD::B(J),XR(e)
- R(e);S_CUTB(g)::R1(K)
- R(f);N_GUARD::S(C),XR(f)
- R(f);N_GUARD::S(C)
- B(d);OGATE,P_PINS(C)::R1(G)
- B(d);OGATE::R1(G)
- B(d);OGATE,XP(I)::R1(G)
- B(g);N_GUARD::R1(K),XB(g)
- B(g);S_CUTR(e)::B(J)
- B(g);N_GUARD::R1(K)
- S(b);N_GUARD::S(C),XS(b)
- S(b);N_GUARD::S(C)
- S(b);N_GUARD,XS(D)::S(C)
- Tries
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- R(e);XB(H)::R1(K)
- R(f);XP(B)::R1(K)
- B(g);XB(H)::B(J)
- S(b);XS(D)::R1(K)
- S(b);XB(H)::R1(K)
- R(f);::R1(K)
- B(d);OGATE::R1(G)
- S(b);::R1(K)
- S(b);::B(J)
- S(h);N_GUARD,S_CUTR(f)::QAB(L)
- S(h);::R1(K)
- Refutation
- R(f);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(e);XR(G)::R1(K)
- R(f);XB(H)::R1(K)
- B(g);XR(G)::B(J)
- R(f);::R1(K)
- R(f);N_GUARD::S(C)
- B(d);::R1(K)
- S(b);::B(J)
- S(h);N_GUARD::QAB(L)
- Refutation
- B(d);
- Try
- R(K);CHECK
- Vars
- R(e);P_SPINR(e)::B(J)
- R(f);P_SPINR(f)::S(C)
- B(d);OGATE,P_SPINB(d)::R1(G)
- Refutation
- S(h);P_SPINS(h)
- Try
- Q(L);
- Threat
- DUALS(2)
- Vars
- R(e);XQ(L)::R1(K)
- R(f);XB(H)::R1(K)
- B(g);XQ(L)::B(J)
- R(f);N_GUARD::S(C)
- B(d);OGATE::R1(G)
- S(b);::B(J)
- S(h);::R1(K)
- Refutation
- S(h);
- Try
- Q(L);CHECK
- Refutation
- S(h);XQ(L)
- Try
- P(F);XR(e)
- Threat
- B(J)
- Vars
- S(b);N_GUARD,XS(D)::S(C)
- R(f);N_GUARD::S(C)
- B(d);OGATE::R1(G)
- S(b);N_GUARD::S(C)
- Refutation
- R(f);XB(H)
- Try
- Actual
- P(F);
- Threat
- DUALS(2)
- Vars
- R(e);XP(F)::R1(K)
- R(f);XB(H)::R1(K)
- B(g);XP(F)::B(J)
- R(e);::R1(K)
- R(f);N_GUARD::S(C)
- B(d);OGATE::R1(G)
- S(b);::B(J)
- S(h);N_GUARD::QAB(L)
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).