MESON Chess Problem Database
Problem Display
PID: 110779 (3R4/1p1n2p1/1Pb2pP1/1ppP1P2/1pk1pRP1/3NQ3/8/BK6 w - - 0 1)
Asplund, Per Ivan Rune
Europe Echecs, 1959
#2
11 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kb3
- 2.Sb2#
- 1...Kxd5
- 2.Qxc5#
- 1...Bxd5
- 2.Sb2#
- 1...Se5
- 2.Sb2#
- 1...Sxb6
- 2.Sb2#
- 1...Sb8
- 2.Sb2#
- 1...Sf8
- 2.Sb2#
- 1...b3
- 2.Qxe4#
- 1...Kb3
- Tries
- 1.Kc1?
- 1...Kxd5
- 2.Qxc5#
- 1...Bxd5
- 2.Sb2#
- 1...Sxb6
- 2.Sb2#
- 1...Se5
- 2.Sb2#
- 1...Sb8
- 2.Sb2#
- 1...Sf8
- 2.Sb2#
- 1...b3
- 2.Qxe4#
- 1...Kb3!
- 1...Kxd5
- 1.Ka2?
- threat
- 2.Qxe4#
- 1...Kxd5
- 2.Qxc5#
- 1...Bxd5
- 2.Sb2#
- 1...b3+!
- threat
- 1.Kb2?
- threat
- 2.Qxe4#
- 1...Kxd5
- 2.Qxc5#
- 1...Bxd5!
- threat
- 1.Kc2?
- threat
- 2.Qxe4#
- 1...Kxd5
- 2.Qxc5#
- 1...Bxd5
- 2.Sb2#
- 1...b3+!
- threat
- 1.Sc1?
- threat
- 2.Qb3#
- 2.Qd3#
- 2.Qxe4#
- 1...Bxd5
- 2.Qe2#
- 2.Qb3#
- 2.Qd3#
- 1...b3
- 2.Qxb3#
- 2.Qxe4#
- 1...Se5
- 2.Rxe4#
- 2.Qb3#
- 2.Qxe4#
- 1...Kxd5!
- threat
- 1.Se1?
- threat
- 2.Qd3#
- 1...b3
- 2.Qxe4#
- 1...Se5
- 2.Rxe4#
- 1...Kxd5!
- threat
- 1.Sf2?
- threat
- 2.Qd3#
- 1...b3
- 2.Qxe4#
- 1...Se5
- 2.Rxe4#
- 1...Kxd5!
- threat
- 1.Sxc5?
- threat
- 2.Qd4#
- 1...Kxd5
- 2.Qd4#
- 1...Sxc5!
- threat
- 1.Se5+?
- 1...Kxd5
- 2.Qd2#
- 1...Sxe5
- 2.Rxe4#
- 1...fxe5!
- 1...Kxd5
- 1.Be5?
- 1...Kb3
- 2.Sb2#
- 1...Kxd5
- 2.Qxc5#
- 2.Qxe4#
- 1...Bxd5
- 2.Sb2#
- 1...Sxe5
- 2.Sb2#
- 1...Sxb6
- 2.Sb2#
- 1...Sb8
- 2.Sb2#
- 1...Sf8
- 2.Sb2#
- 1...b3
- 2.Qxe4#
- 1...fxe5!
- 1...Kb3
- 1.Bxf6?
- 1...Kb3
- 2.Sb2#
- 1...Kxd5
- 2.Qxc5#
- 1...Bxd5
- 2.Sb2#
- 1...Sxb6
- 2.Sb2#
- 2.Se5#
- 1...Sxf6
- 2.Sb2#
- 2.Se5#
- 1...Se5
- 2.Sb2#
- 2.Sxe5#
- 1...Sb8
- 2.Sb2#
- 2.Se5#
- 1...Sf8
- 2.Sb2#
- 2.Se5#
- 1...b3
- 2.Qxe4#
- 1...gxf6!
- 1...Kb3
- 1.Rf1?
- 1...Kb3
- 2.Sb2#
- 1...Kxd5
- 2.Qxc5#
- 1...Bxd5
- 2.Sb2#
- 1...Sxb6
- 2.Sb2#
- 1...Se5
- 2.Sb2#
- 1...Sb8
- 2.Sb2#
- 1...Sf8
- 2.Sb2#
- 1...b3
- 2.Qxe4#
- 1...exd3!
- 1...Kb3
- 1.Rf2?
- 1...Kb3
- 2.Sb2#
- 1...Kxd5
- 2.Qxc5#
- 1...Bxd5
- 2.Sb2#
- 1...Sxb6
- 2.Sb2#
- 1...Se5
- 2.Sb2#
- 1...Sb8
- 2.Sb2#
- 1...Sf8
- 2.Sb2#
- 1...b3
- 2.Qxe4#
- 1...exd3!
- 1...Kb3
- 1.Rf3?
- 1...Kb3
- 2.Sb2#
- 1...Kxd5
- 2.Qxc5#
- 1...Bxd5
- 2.Sb2#
- 1...Sxb6
- 2.Sb2#
- 1...exd3
- 2.Qxd3#
- 1...Se5
- 2.Sb2#
- 1...Sb8
- 2.Sb2#
- 1...Sf8
- 2.Sb2#
- 1...b3
- 2.Qxe4#
- 1...exf3!
- 1...Kb3
- 1.Rxe4+?
- 1...Kb3
- 2.Sb2#
- 2.Sxc5#
- 1...Kxd5!
- 1...Kb3
- 1.Rxd7?
- threat
- 2.Sb2#
- 1...Kb3
- 2.Sb2#
- 1...b3
- 2.Rxe4#
- 2.Qxe4#
- 1...Bxd7!
- threat
- 1.Qe2?
- 1...Kb3
- 2.Qa2#
- 1...Bxd5
- 2.Sc1#
- 2.Qc2#
- 1...Sxb6
- 2.Sc1#
- 2.Qc2#
- 1...Se5
- 2.Qc2#
- 1...Sb8
- 2.Sc1#
- 2.Qc2#
- 1...Sf8
- 2.Sc1#
- 2.Qc2#
- 1...b3
- 2.Qxe4#
- 1...Kxd5!
- 1...Kb3
- 1.g5?
- 1...Kb3
- 2.Sb2#
- 1...Kxd5
- 2.Qxc5#
- 1...Bxd5
- 2.Sb2#
- 1...Sxb6
- 2.Sb2#
- 1...Se5
- 2.Sb2#
- 1...Sb8
- 2.Sb2#
- 1...Sf8
- 2.Sb2#
- 1...b3
- 2.Qxe4#
- 1...fxg5!
- 1...Kb3
- 1.dxc6?
- 1...Kb3
- 2.Sb2#
- 1...Kd5
- 2.Qxc5#
- 1...Sxb6
- 2.Sb2#
- 1...Se5
- 2.Sb2#
- 1...Sb8
- 2.Sb2#
- 1...Sf8
- 2.Sb2#
- 1...b3
- 2.Qxe4#
- 1...bxc6!
- 1...Kb3
- 1.Kc1?
- Keys
- 1.Qd2!
- 1...Kb3
- 2.Qa2#
- 1...Kxd5
- 2.Se5#
- 1...Bxd5
- 2.Qc2#
- 1...Sxb6
- 2.Qc2#
- 1...Se5
- 2.Qc2#
- 1...Sb8
- 2.Qc2#
- 1...Sf8
- 2.Qc2#
- 1...b3
- 2.Sb2#
- 1...Kb3
- 1.Qd2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(b);N_SPINP(c),S_FLIGHT::QAR(D)+S(C)
- K(b);N_SPINP(c),P_SPINS(i),S_FLIGHT,XP(G)::QAR1(D),XP(e)
- B(f);SBLOCK,XP(G)::S(C)
- S(i);::S(C)
- S(i);XP(I)::S(C)
- P(a);SBLOCK::QAR2(D),XP(c)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- K(b);N_SPINP(c),P_SPINS(i),S_FLIGHT,XP(G)::QAR1(D),XP(e)
- B(f);SBLOCK,XP(G)::S(C)
- S(i);XP(I)::S(C)
- S(i);::S(C)
- P(a);SBLOCK::QAR2(D),XP(c)
- Refutation
- K(b);N_SPINP(c),S_FLIGHT
- Try
- K(B);S_FLIGHT
- Threat
- QAR2(D),XP(c)
- Vars
- K(b);N_SPINP(c),P_SPINS(i),S_FLIGHT,XP(G)::QAR1(D),XP(e)
- B(f);SBLOCK,XP(G)::S(C)
- Refutation
- P(a);CHECK
- Try
- K(B);P-FLIGHT
- Threat
- QAR2(D),XP(c)
- Vars
- K(b);N_SPINP(c),P_SPINS(i),S_FLIGHT,XP(G)::QAR1(D),XP(e)
- Refutation
- B(f);XP(G)
- Try
- K(B);S_FLIGHT
- Threat
- QAR2(D),XP(c)
- Vars
- K(b);N_SPINP(c),P_SPINS(i),S_FLIGHT,XP(G)::QAR1(D),XP(e)
- B(f);SBLOCK,XP(G)::S(C)
- Refutation
- P(a);CHECK
- Try
- S(C);
- Threat
- DUALS(3)
- Refutation
- K(b);N_SPINP(c),P_SPINS(i),S_FLIGHT,XP(G)
- Try
- S(C);
- Threat
- QAB1(D)
- Vars
- P(a);SBLOCK::QAR2(D),XP(c)
- S(i);::R(E),XP(c)
- Refutation
- K(b);N_SPINP(c),P_SPINS(i),S_FLIGHT,XP(G)
- Try
- S(C);
- Threat
- QAB1(D)
- Vars
- P(a);SBLOCK::QAR2(D),XP(c)
- S(i);::R(E),XP(c)
- Refutation
- K(b);N_SPINP(c),P_SPINS(i),S_FLIGHT,XP(G)
- Try
- S(C);XP(e)
- Threat
- QAR1(D)
- Vars
- K(b);N_SPINP(c),P_SPINS(i),S_FLIGHT,XP(G)::QAR1(D)
- Refutation
- S(i);XS(C)
- Try
- S(C);CHECK
- Vars
- K(b);N_SPINP(c),P_SPINS(i),S_FLIGHT,XP(G)::QAR(D)
- S(i);XS(C)::R(E),XP(c)
- Refutation
- P(g);XS(C)
- Try
- B(A);
- Vars
- K(b);N_SPINP(c),S_FLIGHT::QAR(D)+S(C)
- B(f);SBLOCK,XP(G)::S(C)
- S(i);XB(A)::S(C)
- S(i);XP(I)::S(C)
- S(i);::S(C)
- P(a);SBLOCK::QAR2(D),XP(c)
- Refutation
- P(g);XB(A)
- Try
- B(A);XP(g)
- Vars
- K(b);N_SPINP(c),S_FLIGHT::QAR(D)+S(C)
- K(b);N_SPINP(c),P_SPINS(i),S_FLIGHT,XP(G)::QAR1(D),XP(e)
- B(f);SBLOCK,XP(G)::S(C)
- P(a);SBLOCK::QAR2(D),XP(c)
- Refutation
- P(j);XB(A)
- Try
- R(E);N_PINP(c)
- Vars
- K(b);S_FLIGHT::QAR(D)+S(C)
- K(b);P_SPINS(i),S_FLIGHT,XP(G)::QAR1(D),XP(e)
- B(f);SBLOCK,XP(G)::S(C)
- S(i);XP(I)::S(C)
- S(i);::S(C)
- P(a);SBLOCK::QAR2(D),XP(c)
- Refutation
- P(c);XS(C)
- Try
- R(E);N_PINP(c)
- Vars
- K(b);S_FLIGHT::QAR(D)+S(C)
- K(b);P_SPINS(i),S_FLIGHT,XP(G)::QAR1(D),XP(e)
- B(f);SBLOCK,XP(G)::S(C)
- S(i);XP(I)::S(C)
- S(i);::S(C)
- P(a);SBLOCK::QAR2(D),XP(c)
- Refutation
- P(c);XS(C)
- Try
- R(E);N_PINP(c)
- Vars
- K(b);S_FLIGHT::QAR(D)+S(C)
- K(b);P_SPINS(i),S_FLIGHT,XP(G)::QAR1(D),XP(e)
- B(f);SBLOCK,XP(G)::S(C)
- S(i);XP(I)::S(C)
- P(c);OGATE,XS(C)::QAB1(D),XP(c)
- S(i);::S(C)
- P(a);SBLOCK::QAR2(D),XP(c)
- Refutation
- P(c);XR(E)
- Try
- R(E);CHECK,XP(c)
- Refutation
- K(b);P_SPINS(i),S_FLIGHT,XP(G)
- Try
- R(K);XS(i)
- Threat
- S(C)
- Vars
- K(b);N_SPINP(c),S_FLIGHT::QAR(D)+S(C)
- Refutation
- B(f);XR(K)
- Try
- Q(D);
- Vars
- K(b);N_SPINP(c),S_FLIGHT::QAB1(D)
- S(i);::QAR2(D)
- P(a);SBLOCK::QAR2(D),XP(c)
- Refutation
- K(b);N_SPINP(c),P_SPINS(i),S_FLIGHT,XP(G)
- Try
- P(F);
- Vars
- K(b);N_SPINP(c),S_FLIGHT::QAR(D)+S(C)
- K(b);N_SPINP(c),P_SPINS(i),S_FLIGHT,XP(G)::QAR1(D),XP(e)
- B(f);SBLOCK,XP(G)::S(C)
- S(i);XP(I)::S(C)
- S(i);::S(C)
- P(a);SBLOCK::QAR2(D),XP(c)
- Refutation
- P(g);XP(F)
- Try
- P(G);XB(f)
- Vars
- K(b);N_SPINP(c),S_FLIGHT::QAR(D)+S(C)
- K(b);N_SPINP(c),P_SPINS(i),S_FLIGHT::QAR1(D),XP(e)
- S(i);XP(I)::S(C)
- S(i);::S(C)
- P(a);SBLOCK::QAR2(D),XP(c)
- Refutation
- P(h);XP(G)
- Try
- Actual
- Q(D);
- Vars
- K(b);N_SPINP(c),S_FLIGHT::QAB1(D)
- K(b);N_SPINP(c),P_SPINS(i),S_FLIGHT,XP(G)::QAR(D)+S(C)
- B(f);SBLOCK,XP(G)::QAR2(D)
- S(i);XP(I)::QAR2(D)
- S(i);::QAR2(D)
- P(a);SBLOCK::S(C)
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).