MESON Chess Problem Database
Problem Display
PID: 157398 (8/3p1N1p/p2R3P/Rb2pkPn/p2p1b2/P1pN1Q1P/2K5/8 w - - 0 1)
Vladimirov, Yakov Georgevich
Sachove umeni (Ceskoslovensky sach), 1970
#2
10 + 11
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Bxd3+
- 2.Qxd3#
- 1...Bc4
- 2.Rxe5#
- 1...Bc6
- 2.Rxe5#
- 1...Sg3
- 2.Rf6#
- 1...Sf6
- 2.Rxf6#
- 1...Sg7
- 2.Rf6#
- 1...e4
- 2.Qg4#
- 1...Bxd3+
- Tries
- 1.Kb1?
- 1...Bxd3+
- 2.Qxd3#
- 1...Sf6
- 2.Rxf6#
- 1...Bc4
- 2.Rxe5#
- 1...Bc6
- 2.Rxe5#
- 1...Sg3
- 2.Rf6#
- 1...Sg7
- 2.Rf6#
- 1...e4
- 2.Qg4#
- 1...c2+!
- 1...Bxd3+
- 1.Kd1?
- 1...Bxd3
- 2.Rxe5#
- 2.Qxd3#
- 1...Sf6
- 2.Rxf6#
- 1...Bc4
- 2.Rxe5#
- 1...Bc6
- 2.Rxe5#
- 1...Sg3
- 2.Rf6#
- 1...Sg7
- 2.Rf6#
- 1...e4
- 2.Qg4#
- 1...c2+!
- 1...Bxd3
- 1.Sc1?
- 1...Bd3+
- 2.Qxd3#
- 1...Sf6
- 2.Rxf6#
- 1...Bf1
- 2.Rxe5#
- 1...Be2
- 2.Rxe5#
- 1...Bc4
- 2.Rxe5#
- 1...Bc6
- 2.Rxe5#
- 1...Sg3
- 2.Rf6#
- 1...Sg7
- 2.Rf6#
- 1...e4
- 2.Qg4#
- 1...d3+!
- 1...Bd3+
- 1.Se1?
- 1...Bd3+
- 2.Qxd3#
- 1...Sf6
- 2.Rxf6#
- 1...Bf1
- 2.Rxe5#
- 1...Be2
- 2.Rxe5#
- 1...Bc4
- 2.Rxe5#
- 1...Bc6
- 2.Rxe5#
- 1...Sg3
- 2.Rf6#
- 1...Sg7
- 2.Rf6#
- 1...e4
- 2.Qg4#
- 1...d3+!
- 1...Bd3+
- 1.Sf2?
- threat
- 2.Qe4#
- 2.Qg4#
- 1...Bd3+
- 2.Qxd3#
- 1...Sf6
- 2.Rxf6#
- 1...Be2
- 2.Rxe5#
- 2.Qe4#
- 1...Bc6
- 2.Rxe5#
- 2.Qg4#
- 1...Sg3
- 2.Rf6#
- 2.Qg4#
- 1...e4
- 2.Qxe4#
- 2.Qg4#
- 1...d3+!
- threat
- 1.Sb4?
- 1...Bd3+
- 2.Qxd3#
- 1...Sf6
- 2.Rxf6#
- 1...Bf1
- 2.Rxe5#
- 1...Be2
- 2.Rxe5#
- 1...Bc4
- 2.Rxe5#
- 1...Bc6
- 2.Rxe5#
- 1...Sg3
- 2.Rf6#
- 1...Sg7
- 2.Rf6#
- 1...e4
- 2.Qg4#
- 1...d3+!
- 1...Bd3+
- 1.Sdxe5?
- 1...Bd3+
- 2.Sxd3#
- 2.Qxd3#
- 1...Bf1
- 2.Sd3#
- 2.Sc4#
- 1...Be2
- 2.Sd3#
- 2.Sc4#
- 1...Bc4
- 2.Sxc4#
- 1...Bc6
- 2.Sxc6#
- 1...Sg3
- 2.Rf6#
- 1...Sf6
- 2.Rxf6#
- 1...Sg7
- 2.Rf6#
- 1...d3+!
- 1...Bd3+
- 1.Rxb5?
- threat
- 2.Rxe5#
- 1...Sf6
- 2.Rxf6#
- 1...axb5!
- threat
- 1.h4?
- 1...Sf6
- 2.Rxf6#
- 1...Bc4
- 2.Rxe5#
- 1...Bc6
- 2.Rxe5#
- 1...Sg3
- 2.Rf6#
- 1...Sg7
- 2.Rf6#
- 1...e4
- 2.Qh3#
- 1...Bxd3+!
- 1...Sf6
- 1.Kb1?
- Keys
- 1.Sfxe5!
- 1...Bxd3+
- 2.Sxd3#
- 1...Kxg5
- 2.Qg4#
- 1...Bc4
- 2.Sxc4#
- 1...Bc6
- 2.Sxc6#
- 1...Sg3
- 2.Qxf4#
- 1...Sf6
- 2.Qxf4#
- 1...Sg7
- 2.Qxf4#
- 1...Bxd3+
- 1.Sfxe5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(e);CHECK,OGATE,P_SPINP(f),XS(C)::QAB(D),XB(e)
- B(e);OGATE,P_SPINP(f)::R1(F),XP(f)
- S(h);N_GUARD::R1(H)
- S(h);N_GUARD::R1(H),XS(h)
- P(f);SBLOCK::QAB1(D)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- B(e);CHECK,OGATE,P_SPINP(f),XS(C)::QAB(D),XB(e)
- S(h);N_GUARD::R1(H),XS(h)
- B(e);OGATE,P_SPINP(f)::R1(F),XP(f)
- S(h);N_GUARD::R1(H)
- P(f);SBLOCK::QAB1(D)
- Refutation
- P(a);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- S(h);N_GUARD::R1(H),XS(h)
- B(e);OGATE,P_SPINP(f)::R1(F),XP(f)
- S(h);N_GUARD::R1(H)
- P(f);SBLOCK::QAB1(D)
- Refutation
- P(a);CHECK
- Try
- S(C);
- Vars
- B(e);CHECK,N_GUARD,P_SPINP(f)::QAB(D),XB(e)
- S(h);N_GUARD::R1(H),XS(h)
- B(e);OGATE,P_SPINP(f)::R1(F),XP(f)
- S(h);N_GUARD::R1(H)
- P(f);SBLOCK::QAB1(D)
- Refutation
- P(c);CHECK
- Try
- S(C);
- Vars
- B(e);CHECK,N_GUARD,P_SPINP(f)::QAB(D),XB(e)
- S(h);N_GUARD::R1(H),XS(h)
- B(e);OGATE,P_SPINP(f)::R1(F),XP(f)
- S(h);N_GUARD::R1(H)
- P(f);SBLOCK::QAB1(D)
- Refutation
- P(c);CHECK
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- B(e);CHECK,N_GUARD,P_SPINP(f)::QAB(D),XB(e)
- S(h);N_GUARD::R1(H),XS(h)
- Refutation
- P(c);CHECK
- Try
- S(C);
- Vars
- B(e);CHECK,N_GUARD,P_SPINP(f)::QAB(D),XB(e)
- S(h);N_GUARD::R1(H),XS(h)
- B(e);OGATE,P_SPINP(f)::R1(F),XP(f)
- S(h);N_GUARD::R1(H)
- P(f);SBLOCK::QAB1(D)
- Refutation
- P(c);CHECK
- Try
- S(C);XP(f)
- Vars
- B(e);::R(F)+S(C),XB(e)
- S(h);N_GUARD::R1(H)
- S(h);N_GUARD::R1(H),XS(h)
- Refutation
- P(c);CHECK
- Try
- R(F);P_PINP(f),XB(e)
- Threat
- R1(F),XP(f)
- Vars
- S(h);N_GUARD::R1(H),XS(h)
- Refutation
- P(i);N_SPINP(f),XR(F)
- Try
- P(E);
- Vars
- S(h);N_GUARD::R1(H),XS(h)
- B(e);OGATE,P_SPINP(f)::R1(F),XP(f)
- S(h);N_GUARD::R1(H)
- P(f);SBLOCK::QAB(D)
- Refutation
- B(e);CHECK,P_SPINP(f),XS(C)
- Try
- Actual
- S(J);XP(f)
- Vars
- B(e);CHECK,XS(C)::R(F)+S(J),XB(e)
- K(g);N_SPINB(d),P-FLIGHT,XP(G)::QAR1(D)
- B(e);::R(F)+S(J),XB(e)
- S(h);N_GUARD::QAR1(D),XB(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).