MESON Chess Problem Database
Problem Display
PID: 260911 (5b2/4pP2/2p3QR/2BkP3/b3NP2/2R4K/Nr1n4/8 w - - 0 1)
Nagler, Alois
Neue Zurcher Zeitung, 1943
#2
10 + 7
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rc2
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Rb5
- 2.Qxc6#
- 1...Bd1
- 2.Qxc6#
- 1...Bc2
- 2.Qxc6#
- 1...Bb3
- 2.Sb4#
- 2.Qxc6#
- 1...Sb3
- 2.Sb4#
- 1...Sc4
- 2.Rd3#
- 1...Sxe4
- 2.Qe6#
- 1...e6
- 2.Sf6#
- 1...Rc2
- Tries
- 1.Sxd2?
- threat
- 2.Qd3#
- 2.Qe4#
- 2.Qg2#
- 2.Qe6#
- 1...Rxd2
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 2.Qe6#
- 1...Bd1
- 2.Qd3#
- 2.Qe4#
- 2.Qxc6#
- 2.Qe6#
- 1...Bc2
- 2.Qxc6#
- 2.Qe6#
- 1...Bb5
- 2.Qe4#
- 2.Qg2#
- 2.Qe6#
- 1...e6
- 2.Qd3#
- 2.Qe4#
- 2.Qg2#
- 2.Qxe6#
- 1...Bxh6!
- threat
- 1.Sg5?
- threat
- 2.Qd3#
- 2.Qe6#
- 1...Rb4
- 2.Sxb4#
- 2.Qe6#
- 1...Bc2
- 2.Qxc6#
- 2.Qe6#
- 1...Bb5
- 2.Qe6#
- 1...Sb3
- 2.Sb4#
- 2.Qe4#
- 2.Qe6#
- 1...Sf3
- 2.Qe4#
- 2.Qe6#
- 1...Se4
- 2.Qxe4#
- 2.Qe6#
- 1...e6
- 2.Qd3#
- 2.Qxe6#
- 1...Sc4!
- threat
- 1.Bg1?
- threat
- 2.Rc5#
- 1...Sxe4
- 2.Qe6#
- 1...Rc2
- 2.Sb4#
- 1...Rb5
- 2.Qxc6#
- 1...Sb3
- 2.Sb4#
- 1...Sc4
- 2.Rd3#
- 1...c5
- 2.Rxc5#
- 1...e6
- 2.Sf6#
- 1...Rb3!
- threat
- 1.Bf2?
- threat
- 2.Rc5#
- 1...Sxe4
- 2.Qe6#
- 1...Rc2
- 2.Sb4#
- 1...Rb5
- 2.Qxc6#
- 1...Sb3
- 2.Sb4#
- 1...Sc4
- 2.Rd3#
- 1...c5
- 2.Rxc5#
- 1...e6
- 2.Sf6#
- 1...Rb3!
- threat
- 1.Sxd2?
- Keys
- 1.Be3!
- threat
- 2.Rc5#
- 1...Sxe4
- 2.Qe6#
- 1...Rc2
- 2.Sb4#
- 1...Rb5
- 2.Qxc6#
- 1...Sb3
- 2.Sb4#
- 1...Sc4
- 2.Rd3#
- 1...c5
- 2.Rxc5#
- 1...e6
- 2.Sf6#
- threat
- 1.Be3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- R(a);S_CUTB(c)::QAB1(H),XP(e)
- B(c);N_GUARD::QAB1(H),XP(e)
- S(b);S_CUTR(a)::S(A)
- S(b);SBLOCK::R(B)
- S(b);SBLOCK,XS(D)::QAB1(H)
- P(f);N_GUARD,SBLOCK::S(D)
- Tries
- Try
- S(D);XS(b)
- Threat
- DUALS(4)
- Vars
- R(a);N_GUARD,XS(D)::S(A)
- Refutation
- B(g);XR(I)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(c);::QAB1(H)
- Refutation
- S(b);
- Try
- B(F);
- Threat
- R1(B)
- Vars
- S(b);SBLOCK,XS(D)::QAB1(H)
- R(a);N_GUARD::S(A)
- R(a);S_CUTB(c)::QAB1(H),XP(e)
- S(b);S_CUTR(a)::S(A)
- S(b);SBLOCK::R(B)
- P(e);::R1(B),XP(e)
- P(f);N_GUARD,SBLOCK::S(D)
- Refutation
- R(a);P_PINR(B)
- Try
- B(F);
- Threat
- R1(B)
- Vars
- S(b);SBLOCK,XS(D)::QAB1(H)
- R(a);N_GUARD::S(A)
- R(a);S_CUTB(c)::QAB1(H),XP(e)
- S(b);S_CUTR(a)::S(A)
- S(b);SBLOCK::R(B)
- P(e);::R1(B),XP(e)
- P(f);N_GUARD,SBLOCK::S(D)
- Refutation
- R(a);P_PINR(B)
- Try
- Actual
- B(F);
- Threat
- R1(B)
- Vars
- S(b);SBLOCK,XS(D)::QAB1(H)
- R(a);N_GUARD::S(A)
- R(a);S_CUTB(c)::QAB1(H),XP(e)
- S(b);S_CUTR(a)::S(A)
- S(b);SBLOCK::R(B)
- P(e);::R1(B),XP(e)
- P(f);N_GUARD,SBLOCK::S(D)
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).