MESON Chess Problem Database
Problem Display
PID: 178608 (8/Q1B1p3/3pP3/1pR4n/p3N2N/R1rbkB1p/1nP1P3/4K3 w - - 0 1)
Nemeth, Gyula
2nd HM., Boletim da UBP, 1980-09
#2
11 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Sf5#
- 1...Kf4
- 2.Rf5#
- 1...Rxa3
- 2.Rf5#
- 1...Rb3
- 2.Rf5#
- 1...Bxc2
- 2.Rf5#
- 1...Bxe2
- 2.Rf5#
- 1...Bc4
- 2.Rf5#
- 1...Bxe4
- 2.Rf5#
- 1...Sf4
- 2.Sf5#
- 2.Rcxc3#
- 2.Rc4#
- 1...dxc5
- 2.Sf5#
- 1...d5
- 2.Sf5#
- 1...Kd4
- Tries
- 1.Sg2+?
- 1...Kd4
- 2.e3#
- 1...hxg2!
- 1...Kd4
- 1.Bxd6?
- threat
- 2.Sf5#
- 2.Rcxc3#
- 2.Rc4#
- 1...Kd4
- 2.Sf5#
- 1...Rxc2
- 2.Sf5#
- 2.Rxc2#
- 2.Rcc3#
- 2.Rc4#
- 1...Rxa3
- 2.Sf5#
- 2.Rc3#
- 2.Rc4#
- 2.Rxb5#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Rxc5
- 2.Sf5#
- 2.Qxc5#
- 1...Bxe2
- 2.Rcxc3#
- 2.Rc4#
- 2.Rxb5#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Bxe4
- 2.Rcxc3#
- 2.Rc4#
- 2.Rxb5#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Rb3
- 2.Sf5#
- 2.Rc3#
- 2.Rc4#
- 2.Rxb5#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Rc4
- 2.Sf5#
- 2.Rxc4#
- 1...Bc4
- 2.Sf5#
- 2.Rxc4#
- 2.Rxb5#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Sc4
- 2.Sf5#
- 2.Rxc4#
- 1...Sg3
- 2.Rcxc3#
- 2.Rc4#
- 1...Sg7
- 2.Rcxc3#
- 2.Rc4#
- 1...exd6!
- threat
- 1.Raxc3?
- threat
- 2.Rf5#
- 1...Kd4
- 2.Sf5#
- 2.Rxb5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 1...Kf4
- 2.Rf5#
- 1...dxc5
- 2.Sf5#
- 2.Qxc5#
- 1...d5
- 2.Sf5#
- 2.Rxd5#
- 1...Sc4!
- threat
- 1.Rxb5+?
- 1...Kf4
- 2.Sg6#
- 2.Rf5#
- 2.e3#
- 1...Rc5!
- 1...Kf4
- 1.Rd5+?
- 1...Kf4
- 2.Sg6#
- 2.Rf5#
- 2.e3#
- 1...Rc5!
- 1...Kf4
- 1.Re5+?
- 1...Kf4
- 2.Sg6#
- 2.Rf5#
- 1...Rc5!
- 1...Kf4
- 1.Rg5+?
- 1...Kf4
- 2.Sg6#
- 2.Rf5#
- 2.e3#
- 1...Rc5!
- 1...Kf4
- 1.Rxh5+?
- 1...Kf4
- 2.Sg6#
- 2.Rf5#
- 2.e3#
- 1...Rc5!
- 1...Kf4
- 1.Sg2+?
- Keys
- 1.Sxd6!
- threat
- 2.Rc4#
- 1...Kd4
- 2.Rd5#
- 1...Kf4
- 2.Sc4#
- 1...Rxc5
- 2.Sdf5#
- 1...Rc4
- 2.Sdf5#
- 2.Rxc4#
- 1...Bc4
- 2.Sdf5#
- 2.Rxc4#
- 2.Rf5#
- 1...Be4
- 2.Rf5#
- 1...Sc4
- 2.Rxc4#
- threat
- 1.Sxd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- K(d);S_FLIGHT::S(G)
- K(d);P_SPINP(i),S_FLIGHT::R1(H)
- R(b);N_GUARD,XR(D)::QAB(J)+R(H)
- R(b);N_GUARD::QAB(J)+R(H)
- B(c);P_SPINR(b),XP(B)::QAB(J)+R(H)
- B(c);P_SPINR(b),XP(C)::QAB(J)+R(H)
- B(c);P_SPINR(b)::QAB(J)+R(H)
- B(c);P_SPINR(b),XS(F)::QAB(J)+R(H)
- P(i);P_SPINP(i),XR(H)::S(G)
- P(i);::S(G)
- Tries
- Try
- S(G);CHECK
- Vars
- K(d);OGATE,S_FLIGHT::P(C)
- Refutation
- P(e);XS(G)
- Try
- B(K);XP(i)
- Threat
- DUALS(3)
- Vars
- K(d);S_FLIGHT::S(G)
- Refutation
- P(j);XB(K)
- Try
- R(D);P_PINB(c),XR(b)
- Threat
- QAB(J)+R(H)
- Vars
- K(d);N_SPINB(c),P_SPINP(i),S_FLIGHT::R1(H)
- Refutation
- S(a);
- Try
- R(H);CHECK,XP(g)
- Refutation
- R(b);P_SPINB(c),P_SPINR(b)
- Try
- R(H);CHECK
- Refutation
- R(b);P_SPINB(c),P_SPINR(b)
- Try
- R(H);CHECK
- Refutation
- R(b);P_SPINB(c),P_SPINR(b)
- Try
- R(H);CHECK
- Refutation
- R(b);P_SPINB(c),P_SPINR(b)
- Try
- R(H);CHECK,XS(h)
- Refutation
- R(b);P_SPINB(c),P_SPINR(b)
- Try
- Actual
- S(F);XP(i)
- Threat
- QAB(J)+R(H)
- Vars
- K(d);S_FLIGHT::QAB(J)+R(H),DCHECK
- K(d);S_FLIGHT::B(K)+S(F)
- R(b);P_SPINB(c),P_SPINR(b),XR(H)::S(F)
- B(c);P_SPINR(b)::QAB(J)+R(H)
- S(a);::QAB(J)+R(H),XS(a)
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).