MESON Chess Problem Database
Problem Display
PID: 201601 (2b5/2r1p3/1BB3Q1/Nr2k1n1/1b1R1p1N/5P2/1n6/7K w - - 0 1)
Nanning, Willem
De Maasbode, 1922
#2
8 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Rxd5#
- 1...Rxb6
- 2.Rd5#
- 1...Rxc6
- 2.Sxc6#
- 1...Rd7
- 2.Qf5#
- 1...Bc5
- 2.Rd5#
- 1...Bf5
- 2.Qxf5#
- 1...Ba6
- 2.Qf5#
- 1...Be6
- 2.Qg7#
- 1...Bb7
- 2.Qf5#
- 1...Sd1
- 2.Sc4#
- 1...Sd3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sxf3
- 2.Sxf3#
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Se6
- 2.Qf5#
- 1...Sf7
- 2.Re4#
- 1...Sh7
- 2.Re4#
- 1...e6
- 2.Qxg5#
- 1...Rd5
- Tries
- 1.Bc5?
- threat
- 2.Rd5#
- 1...Rxc6
- 2.Sxc6#
- 1...Rd7
- 2.Qf5#
- 1...Be6
- 2.Qg7#
- 1...e6
- 2.Qxg5#
- 1...Rxc5!
- threat
- 1.Rd1?
- threat
- 2.Bd4#
- 1...Rxb6
- 2.Rd5#
- 1...Rxc6
- 2.Sxc6#
- 1...Sxd1
- 2.Sc4#
- 1...Sxf3
- 2.Sxf3#
- 1...Rc5
- 2.Bxc7#
- 1...Rd5
- 2.Rxd5#
- 1...Rd7
- 2.Qf5#
- 1...Bc3
- 2.Bxc7#
- 1...Bc5
- 2.Rd5#
- 1...Be6
- 2.Qg7#
- 1...Sd3
- 2.Sc4#
- 1...Se6
- 2.Qf5#
- 1...e6
- 2.Qxg5#
- 1...Bd2!
- threat
- 1.Rd2?
- threat
- 2.Bd4#
- 1...Rxb6
- 2.Rd5#
- 1...Rxc6
- 2.Sxc6#
- 1...Sxf3
- 2.Sxf3#
- 2.Re2#
- 1...Rc5
- 2.Bxc7#
- 1...Rd5
- 2.Rxd5#
- 1...Rd7
- 2.Qf5#
- 1...Bc3
- 2.Bxc7#
- 1...Bc5
- 2.Rd5#
- 1...Be6
- 2.Qg7#
- 1...Sd3
- 2.Sc4#
- 1...Se6
- 2.Qf5#
- 1...e6
- 2.Qxg5#
- 1...Bxd2!
- threat
- 1.Qxg5+?
- 1...Bf5
- 2.Qxf5#
- 1...Ke6!
- 1...Bf5
- 1.Bc5?
- Keys
- 1.Rd3!
- threat
- 2.Bd4#
- 1...Rxb6
- 2.Rd5#
- 1...Rxc6
- 2.Sxc6#
- 1...Sxd3
- 2.Sc4#
- 1...Sxf3
- 2.Sxf3#
- 1...Rc5
- 2.Bxc7#
- 1...Rd5
- 2.Rxd5#
- 1...Rd7
- 2.Qf5#
- 1...Bc3
- 2.Bxc7#
- 1...Bc5
- 2.Rd5#
- 1...Be6
- 2.Qg7#
- 1...Se6
- 2.Qf5#
- 1...e6
- 2.Qxg5#
- threat
- 1.Rd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- R(d);N_GUARD::R1(C),XR(d)
- R(d);N_GUARD,XB(F)::R1(C)
- R(g);XB(G)::S(E),XR(g)
- R(g);S_CUTB(i)::QAR1(H)
- B(b);S_CUTR(d)::R1(C)
- B(i);N_GUARD::QAR1(H),XB(i)
- B(i);N_GUARD::QAR1(H)
- B(i);SBLOCK::QAB(H)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(f);N_GUARD::R1(C)
- S(f);N_GUARD::R1(C),XS(f)
- S(f);S_CUTB(i)::QAR1(H)
- P(h);SBLOCK,S_CUTB(i)::QAR2(H),XS(f)
- Tries
- Try
- B(F);
- Threat
- R1(C)
- Vars
- R(g);XB(G)::S(E),XR(g)
- R(g);S_CUTB(i)::QAR1(H)
- B(i);SBLOCK::QAB(H)
- P(h);SBLOCK,S_CUTB(i)::QAR2(H),XS(f)
- Refutation
- R(d);XB(F)
- Try
- R(C);
- Threat
- B(F)
- Vars
- R(d);N_GUARD,XB(F)::R1(C)
- R(g);XB(G)::S(E),XR(g)
- S(a);N_GUARD,XR(C)::S(E)
- S(f);XP(B)::S(D),XS(f)
- R(d);S_CUTB(b)::B(F),XR(g)
- R(d);N_GUARD::R1(C),XR(d)
- R(g);S_CUTB(i)::QAR1(H)
- B(b);N_GUARD::B(F),XR(g)
- B(b);S_CUTR(d)::R1(C)
- B(i);SBLOCK::QAB(H)
- S(a);N_GUARD::S(E)
- S(f);S_CUTB(i)::QAR1(H)
- P(h);SBLOCK,S_CUTB(i)::QAR2(H),XS(f)
- Refutation
- B(b);
- Try
- R(C);
- Threat
- B(F)
- Vars
- R(d);N_GUARD,XB(F)::R1(C)
- R(g);XB(G)::S(E),XR(g)
- R(d);S_CUTB(b)::B(F),XR(g)
- R(d);N_GUARD::R1(C),XR(d)
- R(g);S_CUTB(i)::QAR1(H)
- B(b);N_GUARD::B(F),XR(g)
- B(b);S_CUTR(d)::R1(C)
- B(i);SBLOCK::QAB(H)
- S(a);N_GUARD::S(E)
- S(f);S_CUTB(i)::QAR1(H)
- P(h);SBLOCK,S_CUTB(i)::QAR2(H),XS(f)
- Refutation
- B(b);XR(C)
- Try
- Q(H);CHECK,XS(f)
- Vars
- B(i);N_GUARD,P_SPINB(i)::QAR1(H),XB(i)
- Refutation
- K(e);P-FLIGHT
- Try
- Actual
- R(C);
- Threat
- B(F)
- Vars
- R(d);N_GUARD,XB(F)::R1(C)
- R(g);XB(G)::S(E),XR(g)
- S(a);N_GUARD,XR(C)::S(E)
- S(f);XP(B)::S(D),XS(f)
- R(d);S_CUTB(b)::B(F),XR(g)
- R(d);N_GUARD::R1(C),XR(d)
- R(g);S_CUTB(i)::QAR1(H)
- B(b);N_GUARD::B(F),XR(g)
- B(b);S_CUTR(d)::R1(C)
- B(i);SBLOCK::QAB(H)
- S(f);S_CUTB(i)::QAR1(H)
- P(h);SBLOCK,S_CUTB(i)::QAR2(H),XS(f)
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).