MESON Chess Problem Database
Problem Display
PID: 206396 (Q7/2p2Rpb/2R5/8/p7/pk5r/N1r5/1K1B2b1 w - - 0 1)
Hertmann, Sandor
Tijdschrift vd NSB, 1925
#2
6 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Rc3#
- 1...Rh2
- 2.Rc3#
- 1...Rc3
- 2.Rxc3#
- 1...Rd3
- 2.Bxc2#
- 1...Re3
- 2.Qb7#
- 2.Qb8#
- 1...Rh4
- 2.Rc3#
- 1...Rh5
- 2.Rc3#
- 1...Rh6
- 2.Rc3#
- 1...Bh2
- 2.Qb7#
- 2.Qb8#
- 1...Be3
- 2.Rc3#
- 1...Bd3
- 2.Rc3#
- 1...Bg8
- 2.Bxc2#
- 1...g6
- 2.Bxc2#
- 1...Rh1
- Tries
- 1.Rc4?
- threat
- 2.Rb4#
- 2.Qxa4#
- 1...Rh4
- 2.Rc3#
- 2.Qxa4#
- 1...Bc5
- 2.Qxa4#
- 1...Ba7
- 2.Rb4#
- 1...c5
- 2.Qxa4#
- 1...Kxc4!
- threat
- 1.Rc5?
- threat
- 2.Qd5#
- 2.Qb7#
- 2.Qb8#
- 1...Bxc5
- 2.Qd5#
- 1...Rc3
- 2.Rxc3#
- 2.Qb7#
- 2.Qb8#
- 1...Rd3
- 2.Bxc2#
- 2.Qb7#
- 2.Qb8#
- 1...Rh4
- 2.Rc3#
- 1...Rh5
- 2.Rc3#
- 2.Qb7#
- 2.Qb8#
- 1...Rh6
- 2.Rc3#
- 2.Qd5#
- 1...Bd3
- 2.Rc3#
- 1...c6
- 2.Rb7#
- 2.Qb7#
- 2.Qb8#
- 1...Be4!
- threat
- 1.Rb6+?
- 1...Bxb6
- 2.Qd5#
- 1...cxb6
- 2.Qd5#
- 1...Kc4!
- 1...Bxb6
- 1.Rcxc7?
- threat
- 2.Qd5#
- 1...Rc3
- 2.Rxc3#
- 1...Rd3
- 2.Bxc2#
- 1...Rh4
- 2.Rc3#
- 1...Rh5
- 2.Rc3#
- 1...Bd3
- 2.Rc3#
- 1...Be4!
- threat
- 1.Rf2?
- threat
- 2.Qb7#
- 2.Qb8#
- 1...Rh4
- 2.Rc3#
- 1...Rh5
- 2.Rc3#
- 1...Bd3
- 2.Rc3#
- 1...Bxf2!
- threat
- 1.Rf3+?
- 1...Be3
- 2.Rc3#
- 2.Qb7#
- 2.Qb8#
- 1...Bd3
- 2.Bxc2#
- 2.Rc3#
- 2.Qg8#
- 1...Rxf3!
- 1...Be3
- 1.Qa5?
- threat
- 2.Sc1#
- 2.Qb4#
- 2.Qb5#
- 2.Qd5#
- 1...Rc3
- 2.Sc1#
- 2.Rxc3#
- 2.Qxc3#
- 2.Qb4#
- 2.Qb5#
- 1...Rd3
- 2.Sc1#
- 2.Bxc2#
- 2.Qb4#
- 2.Qb5#
- 1...Rh4
- 2.Sc1#
- 2.Rc3#
- 2.Qc3#
- 1...Rh5
- 2.Sc1#
- 2.Rc3#
- 2.Qc3#
- 2.Qb4#
- 1...Be3
- 2.Rc3#
- 2.Qc3#
- 2.Qb4#
- 2.Qb5#
- 2.Qd5#
- 1...Bd3
- 2.Sc1#
- 2.Rc3#
- 2.Qc3#
- 2.Qb4#
- 1...Be4
- 2.Sc1#
- 2.Qb4#
- 2.Qb5#
- 1...Bc5!
- threat
- 1.Qa6?
- threat
- 2.Qc4#
- 2.Qb5#
- 1...Rc3
- 2.Rxc3#
- 2.Qb5#
- 1...Rh4
- 2.Rc3#
- 1...Rh5
- 2.Rc3#
- 2.Qc4#
- 1...Bd3
- 2.Rc3#
- 1...Bc5!
- threat
- 1.Qd8?
- threat
- 2.Qd5#
- 1...Rc3
- 2.Rxc3#
- 1...Rd3
- 2.Bxc2#
- 1...Rh4
- 2.Rc3#
- 1...Rh5
- 2.Rc3#
- 1...Bd3
- 2.Rc3#
- 1...Be4!
- threat
- 1.Qf8?
- threat
- 2.Sc1#
- 2.Qb4#
- 1...Rh4
- 2.Sc1#
- 2.Rc3#
- 1...Be3
- 2.Rc3#
- 2.Qb4#
- 1...Bc5!
- threat
- 1.Rc4?
- Keys
- 1.Qg8!
- threat
- 2.Rf3#
- 1...Bxg8
- 2.Bxc2#
- 1...Rc3
- 2.Rxc3#
- 1...Rd3
- 2.Bxc2#
- 1...Re3
- 2.Qb8#
- 1...Rf3
- 2.Rxf3#
- 1...Be3
- 2.Rc3#
- 1...Bf5
- 2.Rxf5#
- threat
- 1.Qg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- R(e);N_GUARD::R1(D)
- R(e);N_GUARD::R1(D),XR(e)
- R(e);S_CUTB(i)::B(B),XR(b)
- B(a);S_CUTR(e)::R1(D)
- B(i);S_CUTR(e)::R1(D)
- B(i);N_GUARD::B(B),XR(b)
- P(h);S_CUTB(i)::B(B),XR(b)
- Tries
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- B(a);::QAB1(F),XP(f)
- B(a);::R1(D)
- P(g);::QAB1(F),XP(f)
- Refutation
- K(d);N_SPINR(b),S_FLIGHT,XR(D)
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- B(a);XR(D)::QAB(F)
- R(e);N_GUARD::R1(D)
- B(i);S_CUTR(e)::R1(D)
- Refutation
- B(i);
- Try
- R(D);CHECK
- Vars
- B(a);XR(D)::QAB(F)
- P(g);XR(D)::QAB(F)
- Refutation
- K(d);N_SPINR(b),S_FLIGHT
- Try
- R(D);XP(g)
- Threat
- QAB(F)
- Vars
- R(e);N_GUARD::R1(D),XR(e)
- R(e);S_CUTB(i)::B(B),XR(b)
- R(e);N_GUARD::R1(D)
- B(i);S_CUTR(e)::R1(D)
- Refutation
- B(i);
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- R(e);N_GUARD::R1(D)
- B(i);S_CUTR(e)::R1(D)
- Refutation
- B(a);XR(E)
- Try
- R(E);CHECK
- Refutation
- R(e);XR(E)
- Try
- Q(F);
- Threat
- DUALS(4)
- Refutation
- B(a);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(e);N_GUARD::R1(D)
- B(i);S_CUTR(e)::R1(D)
- Refutation
- B(a);
- Try
- Q(F);
- Threat
- QAB(F)
- Vars
- R(e);N_GUARD::R1(D),XR(e)
- R(e);S_CUTB(i)::B(B),XR(b)
- R(e);N_GUARD::R1(D)
- B(i);S_CUTR(e)::R1(D)
- Refutation
- B(i);
- Try
- Q(F);
- Threat
- DUALS(2)
- Refutation
- B(a);
- Try
- Actual
- Q(F);
- Threat
- QAB(F)+R(E),DCHECK
- Vars
- B(i);N_GUARD,XQ(F)::B(B),XR(b)
- R(e);N_GUARD::R1(D),XR(e)
- R(e);S_CUTB(i)::B(B),XR(b)
- R(e);S_CUTB(a)::QAR(F)
- R(e);::QAB(F)+R(E),DCHECK,XR(e)
- B(a);S_CUTR(e)::R1(D)
- B(i);N_GUARD::QAB(F)+R(E),XB(i)
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).