MESON Chess Problem Database
Problem Display
PID: 32858 (2b2N1k/5P1p/3p4/2P3p1/r1PK1P2/3BP3/1B5p/3r2bq w - - 0 1)
Nanning, Frederik Willem
De Maasbode, 1929
#2
9 + 10
| 20 | De Problemist | 1929 |
SOLUTION
- SOUND
- Sets
- 1...Qe4+
- 2.Kxe4#
- 1...Qd5+
- 2.Kxd5#
- 1...Rxd3+
- 2.Kxd3#
- 1...Rxc4+
- 2.Kxc4#
- 1...Bxe3+
- 2.Kxe3#
- 1...dxc5+
- 2.Kxc5#
- 1...Qe4+
- Tries
- 1.Se6?
- threat
- 2.f8Q#
- 2.f8R#
- 1...Qe4+
- 2.Kxe4#
- 1...Qd5+
- 2.Kxd5#
- 1...Rxd3+
- 2.Kxd3#
- 1...Rxc4+
- 2.Kxc4#
- 1...Bxe3+
- 2.Kxe3#
- 1...dxc5+
- 2.Kxc5#
- 1...gxf4
- 2.f8Q#
- 2.f8R#
- 1...Qg2
- 2.f8Q#
- 2.f8R#
- 1...Qf3
- 2.f8Q#
- 2.f8R#
- 1...Qc6
- 2.f8Q#
- 2.f8R#
- 1...Qb7
- 2.f8Q#
- 2.f8R#
- 1...Qa8
- 2.f8Q#
- 2.f8R#
- 1...Rda1
- 2.f8Q#
- 2.f8R#
- 1...Rb1
- 2.f8Q#
- 2.f8R#
- 1...Rc1
- 2.f8Q#
- 2.f8R#
- 1...Re1
- 2.f8Q#
- 2.f8R#
- 1...Rf1
- 2.f8Q#
- 2.f8R#
- 1...Rd2
- 2.f8Q#
- 2.f8R#
- 1...Raa1
- 2.f8Q#
- 2.f8R#
- 1...Ra2
- 2.f8Q#
- 2.f8R#
- 1...Ra3
- 2.f8Q#
- 2.f8R#
- 1...Rb4
- 2.f8Q#
- 2.f8R#
- 1...Ra5
- 2.f8Q#
- 2.f8R#
- 1...Ra6
- 2.f8Q#
- 2.f8R#
- 1...Ra7
- 2.f8Q#
- 2.f8R#
- 1...Ra8
- 2.f8Q#
- 2.f8R#
- 1...Bf2
- 2.f8Q#
- 2.f8R#
- 1...Ba6
- 2.f8Q#
- 2.f8R#
- 1...Bb7
- 2.f8Q#
- 2.f8R#
- 1...Bd7
- 2.f8Q#
- 2.f8R#
- 1...g4
- 2.f8Q#
- 2.f8R#
- 1...d5
- 2.f8Q#
- 2.f8R#
- 1...h5
- 2.f8Q#
- 2.f8R#
- 1...h6
- 2.f8Q#
- 2.f8R#
- 1...Bxe6!
- threat
- 1.Sg6+?
- 1...Kg7
- 2.f8Q#
- 1...hxg6!
- 1...Kg7
- 1.Se6?
- Keys
- 1.Sd7!
- threat
- 2.f8Q#
- 1...Qe4+
- 2.Kxe4#
- 1...Qd5+
- 2.Kxd5#
- 1...Rxd3+
- 2.Kxd3#
- 1...Rxc4+
- 2.Kxc4#
- 1...Bxe3+
- 2.Kxe3#
- 1...dxc5+
- 2.Kxc5#
- 1...Kg7
- 2.f8Q#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(c);CHECK::B(A)+K(E),XQ(c)
- R(a);CHECK,XB(B)::B(A)+K(E),XR(a)
- R(e);CHECK,XP(D)::B(A)+K(E),XR(e)
- B(b);CHECK,P_PINP(D),XP(C)::B(A)+K(E),XB(b)
- P(g);CHECK,XP(G)::B(A)+K(E),XP(g)
- Tries
- Try
- S(I);
- Threat
- P=Q
- Vars
- Q(c);CHECK::B(A)+K(E),XQ(c)
- R(a);CHECK,XB(B)::B(A)+K(E),XR(a)
- R(e);CHECK,XP(D)::B(A)+K(E),XR(e)
- B(b);CHECK,P_PINP(D),XP(C)::B(A)+K(E),XB(b)
- P(g);CHECK,XP(G)::B(A)+K(E),XP(g)
- P(f);XP(F)::P=Q
- Q(c);::P=Q
- Q(c);SBLOCK::P=Q
- R(a);N_PINB(B)::P=Q
- R(a);::P=Q
- R(e);::P=Q
- R(e);SBLOCK::P=Q
- B(b);::P=Q
- B(i);::P=Q
- P(f);::P=Q
- P(g);::P=Q
- P(h);::P=Q
- Refutation
- B(i);XS(I)
- Try
- S(I);CHECK
- Vars
- K(j);S_FLIGHT::P=Q
- Refutation
- P(h);XS(I)
- Try
- Actual
- S(I);
- Threat
- P=Q
- Vars
- Q(c);CHECK::B(A)+K(E),XQ(c)
- R(a);CHECK,XB(B)::B(A)+K(E),XR(a)
- R(e);CHECK,XP(D)::B(A)+K(E),XR(e)
- B(b);CHECK,P_PINP(D),XP(C)::B(A)+K(E),XB(b)
- P(g);CHECK,XP(G)::B(A)+K(E),XP(g)
- K(j);S_FLIGHT::P=Q
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).