MESON Chess Problem Database
Problem Display
PID: 172007 (B7/1R6/3P2b1/2P1rp2/P2rkN2/2p2pK1/5P2/4N3 w - - 0 1)
Apro, Laszlo
Schach-Echo, 1972
#2
9 + 7
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Rb4#
- 1...Rd2
- 2.Rb4#
- 1...Rd3
- 2.Rb4#
- 1...Rxa4
- 2.Rb4#
- 1...Rb4
- 2.Rxb4#
- 1...Rdd5
- 2.Rb4#
- 1...Rxd6
- 2.Rb4#
- 1...Rxc5
- 2.Re7#
- 1...Red5
- 2.Re7#
- 1...Re7
- 2.Rxe7#
- 1...Re8
- 2.Re7#
- 1...Rd1
- Tries
- 1.Rb1+?
- 1...Rdd5
- 2.Rb4#
- 1...Red5!
- 1...Rdd5
- 1.Rb2+?
- 1...Rdd5
- 2.Rb4#
- 1...Red5!
- 1...Rdd5
- 1.Rb3+?
- 1...Rdd5
- 2.Rb4#
- 1...Red5!
- 1...Rdd5
- 1.Rb5+?
- 1...Rdd5
- 2.Rb4#
- 1...Red5!
- 1...Rdd5
- 1.Rb6+?
- 1...Rdd5
- 2.Rb4#
- 1...Red5!
- 1...Rdd5
- 1.Ra7+?
- 1...Red5
- 2.Re7#
- 1...Rdd5!
- 1...Red5
- 1.Rc7+?
- 1...Red5
- 2.Re7#
- 1...Rdd5!
- 1...Red5
- 1.Rd7+?
- 1...Red5
- 2.Re7#
- 1...Rdd5!
- 1...Red5
- 1.Rf7+?
- 1...Red5
- 2.Re7#
- 1...Rdd5!
- 1...Red5
- 1.Rg7+?
- 1...Red5
- 2.Re7#
- 1...Rdd5!
- 1...Red5
- 1.Rh7+?
- 1...Red5
- 2.Re7#
- 1...Rdd5!
- 1...Red5
- 1.Rb8+?
- 1...Rdd5
- 2.Rb4#
- 1...Red5!
- 1...Rdd5
- 1.Rb1+?
- Keys
- 1.Sxf3!
- threat
- 2.Sg5#
- 1...Rxa4
- 2.Rb4#
- 1...Rxd6
- 2.Rb4#
- 1...Rxc5
- 2.Re7#
- 1...Rd1
- 2.Rb4#
- 1...Rd2
- 2.Rb4#
- 1...Rd3
- 2.Rb4#
- 1...Rb4
- 2.Rxb4#
- 1...Rc4
- 2.Re7#
- 1...Rdd5
- 2.Rb4#
- 1...Red5
- 2.Re7#
- 1...Re6
- 2.Rb4#
- 1...Re7
- 2.Rxe7#
- 1...Re8
- 2.Re7#
- threat
- 1.Sxf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(c);::B(I)+R(H),DCHECK
- R(c);XP(D)::B(I)+R(H),DCHECK
- R(c);::B(I)+R(H),DCHECK,XR(c)
- R(c);S_CUTR(e)::R(H)
- R(c);XP(G)::B(I)+R(H),DCHECK
- R(e);XP(F)::B(I)+R(H),DCHECK
- R(e);S_CUTR(c)::R(H)
- R(e);::B(I)+R(H),DCHECK,XR(e)
- R(e);::B(I)+R(H),DCHECK
- Tries
- Try
- R(H);CHECK
- Vars
- R(c);P_SPINR(c),S_CUTR(e)::R(H)
- Refutation
- R(e);P_SPINR(e)
- Try
- R(H);CHECK
- Vars
- R(c);P_SPINR(c),S_CUTR(e)::R(H)
- Refutation
- R(e);P_SPINR(e)
- Try
- R(H);CHECK
- Vars
- R(c);P_SPINR(c),S_CUTR(e)::R(H)
- Refutation
- R(e);P_SPINR(e)
- Try
- R(H);CHECK
- Vars
- R(c);P_SPINR(c),S_CUTR(e)::R(H)
- Refutation
- R(e);P_SPINR(e)
- Try
- R(H);CHECK
- Vars
- R(c);P_SPINR(c),S_CUTR(e)::R(H)
- Refutation
- R(e);P_SPINR(e)
- Try
- R(H);CHECK
- Vars
- R(e);P_SPINR(e),S_CUTR(c)::R(H)
- Refutation
- R(c);P_SPINR(c)
- Try
- R(H);CHECK
- Vars
- R(e);P_SPINR(e),S_CUTR(c)::R(H)
- Refutation
- R(c);P_SPINR(c)
- Try
- R(H);CHECK
- Vars
- R(e);P_SPINR(e),S_CUTR(c)::R(H)
- Refutation
- R(c);P_SPINR(c)
- Try
- R(H);CHECK
- Vars
- R(e);P_SPINR(e),S_CUTR(c)::R(H)
- Refutation
- R(c);P_SPINR(c)
- Try
- R(H);CHECK
- Vars
- R(e);P_SPINR(e),S_CUTR(c)::R(H)
- Refutation
- R(c);P_SPINR(c)
- Try
- R(H);CHECK
- Vars
- R(e);P_SPINR(e),S_CUTR(c)::R(H)
- Refutation
- R(c);P_SPINR(c)
- Try
- R(H);CHECK
- Vars
- R(c);P_SPINR(c),S_CUTR(e)::R(H)
- Refutation
- R(e);P_SPINR(e)
- Try
- Actual
- S(A);XP(b)
- Threat
- S(A)
- Vars
- R(c);XP(D)::B(I)+R(H),DCHECK
- R(c);XP(G)::B(I)+R(H),DCHECK
- R(e);XP(F)::B(I)+R(H),DCHECK
- R(c);::B(I)+R(H),DCHECK
- R(c);P_PINS(A)::B(I)+R(H),DCHECK
- R(c);::B(I)+R(H),DCHECK,XR(c)
- R(c);N_GUARD::B(I)+R(H)
- R(c);S_CUTR(e)::R(H)
- R(e);S_CUTR(c)::R(H)
- R(e);N_GUARD::B(I)+R(H)
- R(e);::B(I)+R(H),DCHECK,XR(e)
- R(e);::B(I)+R(H),DCHECK
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).