MESON Chess Problem Database
Problem Display
PID: 244806 (5n1B/3p1Q1p/1N1R2pK/1R6/r3kp2/3npp2/b1r1qp2/1B6 w - - 0 1)
Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)
Hlas l'udu, 1993
#2
7 + 14
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Re5#
- 1...Rb2
- 2.Re5#
- 1...Rd2
- 2.Re5#
- 1...Rc3
- 2.Re5#
- 1...Rcc4
- 2.Re5#
- 2.Qd5#
- 1...Rc6
- 2.Re5#
- 1...Rc7
- 2.Re5#
- 1...Rc8
- 2.Re5#
- 1...Ra3
- 2.Rd4#
- 1...Rac4
- 2.Qd5#
- 1...Rd4
- 2.Rxd4#
- 1...Ra5
- 2.Rd4#
- 1...Ra6
- 2.Rd4#
- 1...Ra7
- 2.Rd4#
- 1...Ra8
- 2.Rd4#
- 1...Bxb1
- 2.Qd5#
- 1...Bc4
- 2.Rd4#
- 1...Bd5
- 2.Qxd5#
- 1...Sc1
- 2.Re5#
- 1...Se1
- 2.Re5#
- 1...Sb2
- 2.Re5#
- 1...Sb4
- 2.Re5#
- 2.Rd4#
- 1...Se5
- 2.Rxe5#
- 1...g5
- 2.Qf5#
- 1...Rc1
- Tries
- 1.Sxa4?
- threat
- 2.Rd4#
- 1...Rc4
- 2.Re5#
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...Se5
- 2.Sc3#
- 2.Sc5#
- 2.Rxe5#
- 1...Se6!
- threat
- 1.Sc4?
- threat
- 2.Rd4#
- 2.Qd5#
- 1...Rcxc4
- 2.Re5#
- 2.Qd5#
- 1...Raxc4
- 2.Qd5#
- 1...Bxc4
- 2.Rd4#
- 1...Sb4
- 2.Re5#
- 2.Rd4#
- 1...Se5
- 2.Rxe5#
- 1...Se6!
- threat
- 1.Sxd7?
- threat
- 2.Sf6#
- 1...Rc5
- 2.Sxc5#
- 1...Bd5
- 2.Qxd5#
- 1...Sc5
- 2.Sxc5#
- 1...Se5
- 2.Sc5#
- 2.Rxe5#
- 1...Sxd7!
- threat
- 1.Bxa2?
- threat
- 2.Bd5#
- 2.Qd5#
- 1...Rcxa2
- 2.Qd5#
- 1...Raxa2
- 2.Rd4#
- 2.Qd5#
- 1...Se6
- 2.Bd5#
- 1...Rcc4
- 2.Qd5#
- 1...Rac4
- 2.Qd5#
- 1...Rd4
- 2.Rxd4#
- 1...Sc1
- 2.Re5#
- 2.Qd5#
- 1...Se1
- 2.Re5#
- 2.Qd5#
- 1...Sb2
- 2.Re5#
- 2.Qd5#
- 1...Sb4
- 2.Re5#
- 2.Rd4#
- 1...Sc5
- 2.Qd5#
- 1...Se5
- 2.Rxe5#
- 1...Rc5!
- threat
- 1.Bxc2?
- threat
- 2.Re5#
- 1...Ra5
- 2.Rd4#
- 1...Bd5
- 2.Qxd5#
- 1...Qxc2!
- threat
- 1.Rb4+?
- 1...Rc4
- 2.Qd5#
- 1...Bc4
- 2.Rd4#
- 2.Qd5#
- 1...Sxb4
- 2.Rd4#
- 1...Rxb4!
- 1...Rc4
- 1.Qc4+?
- 1...Rcxc4
- 2.Re5#
- 1...Bxc4
- 2.Rd4#
- 1...Raxc4!
- 1...Rcxc4
- 1.Qxf4+?
- 1...Sxf4
- 2.Re5#
- 1...Kxf4!
- 1...Sxf4
- 1.Sxa4?
- Keys
- 1.Sd5!
- threat
- 2.Sf6#
- 1...Bxd5
- 2.Qxd5#
- 1...Sc5
- 2.Sc3#
- 1...Se5
- 2.Sc3#
- 1...Rc5
- 2.Qxf4#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 20
- Sets
- R(b);P_SPINS(e)::R1(B)
- R(h);N_GUARD::R1(D)
- R(h);S_CUTB(a)::QAB1(F)
- R(h);N_GUARD::R1(D),XR(h)
- B(a);N_GUARD,XB(A)::QAB1(F)
- B(a);S_CUTR(h)::R1(D)
- B(a);N_GUARD::QAB1(F),XB(a)
- S(e);N_GUARD,P_SPINR(b)::R1(B)
- S(e);N_GUARD,P_SPINR(b)::R1(B),XS(e)
- P(k);N_GUARD::QAB1(F)
- Tries
- Try
- S(C);XR(h)
- Threat
- R1(D)
- Vars
- B(a);N_GUARD::QAB1(F),XB(a)
- Refutation
- S(n);
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- R(h);XS(C)::QAB1(F)
- B(a);XS(C)::R1(D)
- S(e);N_GUARD,P_SPINR(b)::R1(B),XS(e)
- Refutation
- S(n);
- Try
- S(C);XP(l)
- Threat
- S(C)
- Vars
- R(b);N_GUARD,P_SPINS(e)::S(C),XR(b)
- B(a);N_GUARD::QAB1(F),XB(a)
- S(e);N_GUARD,P_SPINR(b)::S(C),XS(e)
- Refutation
- S(n);XS(C)
- Try
- B(A);XB(a)
- Threat
- DUALS(2)
- Vars
- R(b);XB(A)::QAB1(F)
- S(n);::B(A)
- R(b);::QAB1(F)
- R(h);::QAB1(F)
- R(h);N_GUARD::R1(D),XR(h)
- S(e);::QAB1(F)
- S(e);N_GUARD::R1(B),XS(e)
- Refutation
- R(b);
- Try
- B(A);P_PINS(e),XR(b)
- Threat
- R1(B)
- Vars
- R(h);N_GUARD::R1(D)
- B(a);N_GUARD::QAB1(F),XB(a)
- Refutation
- Q(c);N_SPINS(e),XB(A)
- Try
- R(B);CHECK
- Vars
- R(b);P_SPINR(b),P_SPINS(e)::QAB1(F)
- S(e);P_SPINR(b),XR(B)::R1(D)
- Refutation
- R(h);XR(B)
- Try
- Q(F);CHECK
- Vars
- R(b);P_SPINS(e),XQ(F)::R1(B)
- B(a);XQ(F)::R1(D)
- Refutation
- R(h);XQ(F)
- Try
- Q(F);CHECK,XP(j)
- Vars
- S(e);P_SPINR(b),SBLOCK,XQ(F)::R1(B)
- Refutation
- K(i);P-FLIGHT,XQ(F)
- Try
- Actual
- S(C);
- Threat
- S(C)
- Vars
- B(a);OGATE,XS(C)::QAB1(F),XB(a)
- S(e);P_SPINR(b)::S(C)
- R(b);P_SPINS(e)::QAR1(F),XP(j)
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).