MESON Chess Problem Database
Problem Display
PID: 93934 (8/8/1p1N4/1p6/1B4p1/1NpknbR1/K4Q2/8 w - - 0 1)
Lopatinski, Evgeny
Sachove umeni (Ceskoslovensky sach), 1962
#2
6 + 7
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Rxe3#
- 1...Bh1
- 2.Rxe3#
- 1...Be2
- 2.Qf5#
- 1...Bg2
- 2.Rxe3#
- 1...Be4
- 2.Rxe3#
- 1...Bd5
- 2.Rxe3#
- 1...Bc6
- 2.Rxe3#
- 1...Bb7
- 2.Rxe3#
- 1...Ba8
- 2.Rxe3#
- 1...Sd1
- 2.Sc1#
- 1...Sf1
- 2.Sc1#
- 1...Sc2
- 2.Sc1#
- 1...Sg2
- 2.Sc1#
- 1...Sc4
- 2.Sc1#
- 1...Sd5
- 2.Sc1#
- 1...Sf5
- 2.Sc1#
- 1...c2
- 2.Qd2#
- 1...Bd1
- Tries
- 1.Ka1?
- 1...Be2
- 2.Qf5#
- 1...Bd1
- 2.Rxe3#
- 1...Bh1
- 2.Rxe3#
- 1...Bg2
- 2.Rxe3#
- 1...Be4
- 2.Rxe3#
- 1...Bd5
- 2.Rxe3#
- 1...Bc6
- 2.Rxe3#
- 1...Bb7
- 2.Rxe3#
- 1...Ba8
- 2.Rxe3#
- 1...Sd1
- 2.Sc1#
- 1...Sf1
- 2.Sc1#
- 1...Sg2
- 2.Sc1#
- 1...Sc4
- 2.Sc1#
- 1...Sd5
- 2.Sc1#
- 1...Sf5
- 2.Sc1#
- 1...c2
- 2.Qd2#
- 1...Sc2+!
- 1...Be2
- 1.Kb1?
- 1...Bd1
- 2.Rxe3#
- 2.Qxe3#
- 1...Bh1
- 2.Rxe3#
- 2.Qxe3#
- 2.Qf1#
- 2.Qc2#
- 1...Be2
- 2.Rxe3#
- 2.Qxe3#
- 2.Qf5#
- 1...Bg2
- 2.Rxe3#
- 2.Qxe3#
- 2.Qc2#
- 1...Be4
- 2.Rxe3#
- 2.Qxe3#
- 2.Qf1#
- 2.Qc2#
- 1...Bd5
- 2.Rxe3#
- 2.Qxe3#
- 2.Qf1#
- 2.Qc2#
- 1...Bc6
- 2.Rxe3#
- 2.Qxe3#
- 2.Qf1#
- 2.Qc2#
- 1...Bb7
- 2.Rxe3#
- 2.Qxe3#
- 2.Qf1#
- 2.Qc2#
- 1...Ba8
- 2.Rxe3#
- 2.Qxe3#
- 2.Qf1#
- 2.Qc2#
- 1...Sd1
- 2.Sc1#
- 1...Sf1
- 2.Sc1#
- 1...Sc2
- 2.Sc1#
- 1...Sg2
- 2.Sc1#
- 1...Sc4
- 2.Sc1#
- 1...Sd5
- 2.Sc1#
- 1...Sf5
- 2.Sc1#
- 1...c2+!
- 1...Bd1
- 1.Ba3?
- 1...Be2
- 2.Qf5#
- 1...c2
- 2.Qd2#
- 1...Bd1
- 2.Rxe3#
- 1...Bh1
- 2.Rxe3#
- 1...Bg2
- 2.Rxe3#
- 1...Be4
- 2.Rxe3#
- 1...Bd5
- 2.Rxe3#
- 1...Bc6
- 2.Rxe3#
- 1...Bb7
- 2.Rxe3#
- 1...Ba8
- 2.Rxe3#
- 1...Sd1
- 2.Sc1#
- 1...Sf1
- 2.Sc1#
- 1...Sc2
- 2.Sc1#
- 1...Sg2
- 2.Sc1#
- 1...Sc4
- 2.Sc1#
- 1...Sd5
- 2.Sc1#
- 1...Sf5
- 2.Sc1#
- 1...b4!
- 1...Be2
- 1.Bc5?
- threat
- 2.Sc1#
- 1...Be2
- 2.Qf5#
- 1...c2
- 2.Qxe3#
- 2.Qd2#
- 1...Bd5
- 2.Rxe3#
- 1...bxc5!
- threat
- 1.Qf1+?
- 1...Kc2
- 2.Qb1#
- 1...Be2
- 2.Qf5#
- 1...Sxf1!
- 1...Kc2
- 1.Qxf3?
- threat
- 2.Qd1#
- 1...Kc2
- 2.Qe2#
- 1...c2
- 2.Qf1#
- 2.Qxe3#
- 1...gxf3!
- threat
- 1.Ka1?
- Keys
- 1.Qe1!
- 1...Kc2
- 2.Qb1#
- 1...Bd1
- 2.Qxd1#
- 1...Bh1
- 2.Qd1#
- 1...Be2
- 2.Qxc3#
- 1...Bg2
- 2.Qd1#
- 1...Be4
- 2.Qd1#
- 1...Bd5
- 2.Qd1#
- 1...Bc6
- 2.Qd1#
- 1...Bb7
- 2.Qd1#
- 1...Ba8
- 2.Qd1#
- 1...Sd1
- 2.Qe4#
- 1...Sf1
- 2.Qe4#
- 1...Sc2
- 2.Qe4#
- 1...Sg2
- 2.Qe4#
- 1...Sc4
- 2.Qe4#
- 1...Sd5
- 2.Qe4#
- 1...Sf5
- 2.Qe4#
- 1...c2
- 2.Qd2#
- 1...Kc2
- 1.Qe1!
This anticipates 164457(2007)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 16
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(d);OGATE,P_SPINS(c)::R1(D),XS(c)
- B(d);OGATE,P_SPINS(c),SBLOCK::QAB(B)
- B(d);OGATE,P_PINS(C),P_SPINS(c)::R1(D),XS(c)
- S(c);P_SPINB(d)::S(C)
- P(a);N_GUARD::QAR1(B)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- B(d);OGATE,P_SPINS(c),SBLOCK::QAB(B)
- B(d);OGATE,P_SPINS(c)::R1(D),XS(c)
- S(c);P_SPINB(d)::S(C)
- P(a);N_GUARD::QAR1(B)
- Refutation
- S(c);CHECK,P_SPINB(d)
- Try
- K(A);S_FLIGHT
- Vars
- S(c);P_SPINB(d)::S(C)
- Refutation
- P(a);CHECK
- Try
- B(E);
- Vars
- B(d);OGATE,P_SPINS(c),SBLOCK::QAB(B)
- P(a);N_GUARD::QAR1(B)
- B(d);OGATE,P_SPINS(c)::R1(D),XS(c)
- B(d);OGATE,P_PINS(C),P_SPINS(c)::R1(D),XS(c)
- S(c);P_SPINB(d)::S(C)
- Refutation
- P(f);
- Try
- B(E);
- Threat
- S(C)
- Vars
- B(d);OGATE,P_SPINS(c),SBLOCK::QAB(B)
- B(d);OGATE,P_PINS(C),P_SPINS(c)::R1(D),XS(c)
- Refutation
- P(g);XB(E)
- Try
- Q(B);CHECK
- Vars
- K(b);S_FLIGHT::QAB1(B)
- B(d);OGATE,P_SPINB(d),P_SPINS(c),SBLOCK::QAB(B)
- Refutation
- S(c);P_SPINB(d),XQ(B)
- Try
- Q(B);P_PINS(c),XB(d)
- Threat
- QAR2(B)
- Vars
- K(b);N_SPINS(c),S_FLIGHT::QAR2(B)
- Refutation
- P(e);N_SPINS(c),XQ(B)
- Try
- Actual
- Q(B);
- Vars
- K(b);S_FLIGHT::QAB1(B)
- B(d);N_GUARD,P_SPINS(c)::QAR2(B),XB(d)
- B(d);N_GUARD,P_SPINS(c)::QAR2(B)
- B(d);P_SPINS(c),SBLOCK::QAR1(B),XP(a)
- B(d);N_GUARD,P_PINS(C),P_SPINS(c)::QAR2(B)
- S(c);OGATE,P_SPINB(d)::QAB1(B)
- S(c);OGATE,P_SPINB(d),SBLOCK::QAB1(B)
- P(a);N_GUARD::QAR1(B)
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).