MESON Chess Problem Database
Problem Display
PID: 91453 (8/1n6/2R1p3/4B3/2P1RP2/pNNk1p2/Q1p2Pn1/K7 w - - 0 1)
Soldatov, Volodimir Vladimirovich
Probleemblad, 1993
#2
10 + 7
| 3713 | Snap | 2009 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sxf4
- 2.Re3#
- 1...Sh4
- 2.Re3#
- 1...Sa5
- 2.Rd6#
- 1...Sc5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sd8
- 2.Rd6#
- 1...c1Q+
- 2.Sxc1#
- 1...c1S
- 2.Sxc1#
- 2.Qb1#
- 2.Qd2#
- 1...c1B
- 2.Sxc1#
- 2.Qb1#
- 1...c1R+
- 2.Sxc1#
- 1...Se1
- Tries
- 1.Sc5+?
- 1...Sxc5
- 2.Rd6#
- 1...Kd2!
- 1...Sxc5
- 1.Bf6?
- 1...c1Q+
- 2.Sxc1#
- 1...c1R+
- 2.Sxc1#
- 1...Sxf4
- 2.Re3#
- 1...c1S
- 2.Sxc1#
- 2.Qb1#
- 2.Qd2#
- 1...c1B
- 2.Sxc1#
- 2.Qb1#
- 1...Se1
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sh4
- 2.Re3#
- 1...Sa5
- 2.Rd6#
- 1...Sc5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sd8
- 2.Rd6#
- 1...e5!
- 1...c1Q+
- 1.Bg7?
- 1...c1Q+
- 2.Sxc1#
- 1...c1R+
- 2.Sxc1#
- 1...Sxf4
- 2.Re3#
- 1...c1S
- 2.Sxc1#
- 2.Qb1#
- 2.Qd2#
- 1...c1B
- 2.Sxc1#
- 2.Qb1#
- 1...Se1
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sh4
- 2.Re3#
- 1...Sa5
- 2.Rd6#
- 1...Sc5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sd8
- 2.Rd6#
- 1...e5!
- 1...c1Q+
- 1.Bh8?
- 1...c1Q+
- 2.Sxc1#
- 1...c1R+
- 2.Sxc1#
- 1...Sxf4
- 2.Re3#
- 1...c1S
- 2.Sxc1#
- 2.Qb1#
- 2.Qd2#
- 1...c1B
- 2.Sxc1#
- 2.Qb1#
- 1...Se1
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sh4
- 2.Re3#
- 1...Sa5
- 2.Rd6#
- 1...Sc5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sd8
- 2.Rd6#
- 1...e5!
- 1...c1Q+
- 1.Re2?
- threat
- 2.Sc1#
- 2.Rd2#
- 2.Qxc2#
- 1...c1Q+
- 2.Sxc1#
- 1...c1R+
- 2.Sxc1#
- 1...Sc5
- 2.Sc1#
- 2.Sxc5#
- 1...c1S
- 2.Sxc1#
- 2.Rd2#
- 2.Qb1#
- 2.Qc2#
- 2.Qd2#
- 1...c1B
- 2.Sxc1#
- 2.Qb1#
- 2.Qc2#
- 1...Se1
- 2.Sc1#
- 2.Rd2#
- 2.Re3#
- 1...Se3
- 2.Sc1#
- 2.Rd2#
- 2.Rxe3#
- 1...fxe2!
- threat
- 1.Qb2?
- threat
- 2.Rd4#
- 1...c1Q+
- 2.Sxc1#
- 1...c1R+
- 2.Sxc1#
- 1...axb2+!
- threat
- 1.f5?
- 1...c1Q+
- 2.Sxc1#
- 1...c1R+
- 2.Sxc1#
- 1...c1S
- 2.Sxc1#
- 2.Qb1#
- 2.Qd2#
- 1...c1B
- 2.Sxc1#
- 2.Qb1#
- 1...Se1
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sf4
- 2.Re3#
- 1...Sh4
- 2.Re3#
- 1...Sa5
- 2.Rd6#
- 1...Sc5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sd8
- 2.Rd6#
- 1...exf5!
- 1...c1Q+
- 1.Sc5+?
- Keys
- 1.Sb1!
- 1...cxb1Q+
- 2.Qxb1#
- 1...cxb1R+
- 2.Qxb1#
- 1...Kxe4
- 2.Qxc2#
- 1...Sxf4
- 2.Re3#
- 1...cxb1S
- 2.Qxb1#
- 1...cxb1B
- 2.Qxb1#
- 1...Se3
- 2.Rxe3#
- 1...c1Q
- 2.Rd4#
- 1...c1S
- 2.Rd4#
- 1...c1B
- 2.Rd4#
- 1...c1R
- 2.Rd4#
- 1...Se1
- 2.Re3#
- 1...Sh4
- 2.Re3#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...cxb1Q+
- 1.Sb1!
Anticipated by 101235(1924)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::R1(G)
- S(b);N_GUARD::R1(G),XS(b)
- S(b);N_GUARD,XP(H)::R1(G)
- S(g);N_GUARD::R(J)
- S(g);N_GUARD::R(J),XS(g)
- P(a);CHECK::S(D),XQ(a)
- P(a);CHECK::S(D),XR(a)
- Tries
- Try
- S(D);CHECK
- Vars
- S(g);XS(D)::R(J)
- Refutation
- K(d);P-FLIGHT,P_SPINP(a)
- Try
- B(I);
- Vars
- P(a);CHECK::S(D),XQ(a)
- P(a);CHECK::S(D),XR(a)
- S(b);N_GUARD,XP(H)::R1(G)
- S(b);N_GUARD::R1(G)
- S(b);N_GUARD::R1(G),XS(b)
- S(g);N_GUARD::R(J)
- S(g);N_GUARD::R(J),XS(g)
- Refutation
- P(f);
- Try
- B(I);
- Vars
- P(a);CHECK::S(D),XQ(a)
- P(a);CHECK::S(D),XR(a)
- S(b);N_GUARD,XP(H)::R1(G)
- S(b);N_GUARD::R1(G)
- S(b);N_GUARD::R1(G),XS(b)
- S(g);N_GUARD::R(J)
- S(g);N_GUARD::R(J),XS(g)
- Refutation
- P(f);
- Try
- B(I);
- Vars
- P(a);CHECK::S(D),XQ(a)
- P(a);CHECK::S(D),XR(a)
- S(b);N_GUARD,XP(H)::R1(G)
- S(b);N_GUARD::R1(G)
- S(b);N_GUARD::R1(G),XS(b)
- S(g);N_GUARD::R(J)
- S(g);N_GUARD::R(J),XS(g)
- Refutation
- P(f);
- Try
- R(G);
- Threat
- DUALS(3)
- Vars
- P(a);CHECK::S(D),XQ(a)
- P(a);CHECK::S(D),XR(a)
- Refutation
- P(e);XR(G)
- Try
- Q(B);
- Threat
- R1(G)
- Vars
- P(a);CHECK::S(D),XQ(a)
- P(a);CHECK::S(D),XR(a)
- Refutation
- P(c);CHECK,XQ(B)
- Try
- P(H);
- Vars
- P(a);CHECK::S(D),XQ(a)
- P(a);CHECK::S(D),XR(a)
- S(b);N_GUARD::R1(G)
- S(b);N_GUARD::R1(G),XS(b)
- S(g);N_GUARD::R(J)
- S(g);N_GUARD::R(J),XS(g)
- Refutation
- P(f);XP(H)
- Try
- Actual
- S(E);
- Vars
- P(a);CHECK,OGATE,XS(E)::QAB(B),XQ(a)
- P(a);CHECK,OGATE,XS(E)::QAB(B),XR(a)
- K(d);S_FLIGHT,XR(G)::QAB(B),XP(a)
- S(b);N_GUARD,XP(H)::R1(G)
- P(a);OGATE,XS(E)::QAB(B),XS(a)
- P(a);OGATE,XS(E)::QAB(B),XB(a)
- S(b);N_GUARD::R1(G),XS(b)
- P(a);P_PINS(E)::R1(G)
- P(a);::R1(G)
- S(b);N_GUARD::R1(G)
- S(g);N_GUARD::S(D)
- S(g);N_GUARD::S(D),XS(g)
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).