MESON Chess Problem Database
Problem Display
PID: 110736 (8/4p3/3pR3/B2nnK2/4p2Q/p1PPkP2/R3B2p/6br w - - 0 1)
Trzesowski, Andrzej
Boletim da UBP, 1962
#2
9 + 10
| 3713 | Snap | 2009 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bf2
- 2.Qxe4#
- 1...Sxc3
- 2.Bb6#
- 1...Sb4
- 2.Bb6#
- 1...Sf4
- 2.Bb6#
- 1...Sb6
- 2.Bxb6#
- 1...Sf6
- 2.Bb6#
- 1...Sc7
- 2.Bb6#
- 1...Sxd3
- 2.Rxe4#
- 1...Sxf3
- 2.Rxe4#
- 1...Sc4
- 2.Rxe4#
- 1...Sg4
- 2.Rxe4#
- 1...Sc6
- 2.Rxe4#
- 1...Sg6
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...exd3
- 2.Qd4#
- 1...exf3
- 2.Qd4#
- 1...Bf2
- Tries
- 1.Bc7?
- 1...Sxc3
- 2.Bb6#
- 1...Sxd3
- 2.Rxe4#
- 1...Sxf3
- 2.Rxe4#
- 1...exd3
- 2.Qd4#
- 1...exf3
- 2.Qd4#
- 1...Bf2
- 2.Qxe4#
- 1...Sb4
- 2.Bb6#
- 1...Sf4
- 2.Bb6#
- 1...Sb6
- 2.Bxb6#
- 1...Sf6
- 2.Bb6#
- 1...Sc4
- 2.Rxe4#
- 1...Sg4
- 2.Rxe4#
- 1...Sc6
- 2.Rxe4#
- 1...Sg6
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sxc7!
- 1...Sxc3
- 1.Bd8?
- 1...Sxc3
- 2.Bb6#
- 1...Sxd3
- 2.Rxe4#
- 1...Sxf3
- 2.Rxe4#
- 1...exd3
- 2.Qd4#
- 1...exf3
- 2.Qd4#
- 1...Bf2
- 2.Qxe4#
- 1...Sb4
- 2.Bb6#
- 1...Sf4
- 2.Bb6#
- 1...Sb6
- 2.Bxb6#
- 1...Sf6
- 2.Bb6#
- 1...Sc4
- 2.Rxe4#
- 1...Sg4
- 2.Rxe4#
- 1...Sc6
- 2.Rxe4#
- 1...Sg6
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sc7!
- 1...Sxc3
- 1.Rc2?
- 1...Sxc3
- 2.Bb6#
- 1...Sxd3
- 2.Rxe4#
- 1...Sxf3
- 2.Rxe4#
- 1...exd3
- 2.Qd4#
- 1...exf3
- 2.Qd4#
- 1...Bf2
- 2.Qxe4#
- 1...Sb4
- 2.Bb6#
- 1...Sf4
- 2.Bb6#
- 1...Sb6
- 2.Bxb6#
- 1...Sf6
- 2.Bb6#
- 1...Sc7
- 2.Bb6#
- 1...Sc4
- 2.Rxe4#
- 1...Sg4
- 2.Rxe4#
- 1...Sc6
- 2.Rxe4#
- 1...Sg6
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...a2!
- 1...Sxc3
- 1.Rxe7?
- 1...Sxc3
- 2.Bb6#
- 1...Sxd3
- 2.Rxe4#
- 1...Sxf3
- 2.Rxe4#
- 1...exd3
- 2.Qd4#
- 1...exf3
- 2.Qd4#
- 1...Bf2
- 2.Qxe4#
- 1...Sb4
- 2.Bb6#
- 1...Sf4
- 2.Bb6#
- 1...Sb6
- 2.Bxb6#
- 1...Sf6
- 2.Bb6#
- 1...Sc7
- 2.Bb6#
- 1...Sc4
- 2.Rxe4#
- 1...Sg4
- 2.Rxe4#
- 1...Sc6
- 2.Rxe4#
- 1...Sg6
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sxe7+!
- 1...Sxc3
- 1.Qg3?
- 1...Sxc3
- 2.Bb6#
- 1...Sxd3
- 2.Rxe4#
- 2.fxe4#
- 2.f4#
- 1...Sxf3
- 2.Rxe4#
- 2.Qxf3#
- 1...exd3
- 2.f4#
- 1...exf3
- 2.Qxf3#
- 1...Sb4
- 2.Bb6#
- 1...Sf4
- 2.Bb6#
- 1...Sb6
- 2.Bxb6#
- 1...Sf6
- 2.Bb6#
- 1...Sc7
- 2.Bb6#
- 1...Sc4
- 2.Rxe4#
- 2.fxe4#
- 2.f4#
- 1...Sg4
- 2.Rxe4#
- 2.fxe4#
- 2.fxg4#
- 2.f4#
- 1...Sc6
- 2.Rxe4#
- 2.fxe4#
- 2.f4#
- 1...Sg6
- 2.Rxe4#
- 2.fxe4#
- 2.f4#
- 1...Sd7
- 2.Rxe4#
- 2.fxe4#
- 2.f4#
- 1...Sf7
- 2.Rxe4#
- 2.fxe4#
- 2.f4#
- 1...Bf2!
- 1...Sxc3
- 1.Qg5+?
- 1...Sf4
- 2.Bb6#
- 1...Kf2!
- 1...Sf4
- 1.Qf4+?
- 1...Sxf4
- 2.Bb6#
- 1...Kf2!
- 1...Sxf4
- 1.Qh6+?
- 1...Sf4
- 2.Bb6#
- 1...Kf2!
- 1...Sf4
- 1.f4?
- 1...Sxc3
- 2.Bb6#
- 1...Sxf4
- 2.Bb6#
- 2.Qxf4#
- 1...Sxd3
- 2.Rxe4#
- 2.Qg3#
- 1...exd3
- 2.Qg3#
- 1...Sb4
- 2.Bb6#
- 1...Sb6
- 2.Bxb6#
- 1...Sf6
- 2.Bb6#
- 1...Sc7
- 2.Bb6#
- 1...Sf3
- 2.Rxe4#
- 1...Sc4
- 2.Rxe4#
- 2.Qg3#
- 1...Sg4
- 2.Rxe4#
- 2.Qg3#
- 1...Sc6
- 2.Rxe4#
- 2.Qg3#
- 1...Sg6
- 2.Rxe4#
- 2.Qg3#
- 1...Sd7
- 2.Rxe4#
- 2.Qg3#
- 1...Sf7
- 2.Rxe4#
- 2.Qg3#
- 1...Bf2!
- 1...Sxc3
- 1.Bc7?
- Keys
- 1.Qe1!
- 1...Sxc3
- 2.Bb6#
- 1...Sxd3
- 2.Rxe4#
- 1...Sxf3
- 2.Rxe4#
- 1...exd3
- 2.Bd1#
- 1...exf3
- 2.Bf1#
- 1...Bf2
- 2.Qd2#
- 1...Sb4
- 2.Bb6#
- 1...Sf4
- 2.Bb6#
- 1...Sb6
- 2.Bxb6#
- 1...Sf6
- 2.Bb6#
- 1...Sc7
- 2.Bb6#
- 1...Sc4
- 2.Rxe4#
- 1...Sg4
- 2.Rxe4#
- 1...Sc6
- 2.Rxe4#
- 1...Sg6
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sxc3
- 1.Qe1!
This anticipates 109516(1991)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(a);SBLOCK::QAR1(F),XP(f)
- S(g);N_GUARD,XP(C)::B(G)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- S(h);OGATE,P_SPINP(f),XP(D)::R1(I),XP(f)
- S(h);OGATE,P_SPINP(f),XP(E)::R1(I),XP(f)
- S(h);OGATE,P_SPINP(f)::R1(I),XP(f)
- P(f);OGATE,P_SPINS(h),XP(D)::QAB1(F)
- P(f);OGATE,P_SPINS(h),XP(E)::QAB1(F)
- Tries
- Try
- B(G);
- Vars
- S(g);N_GUARD,XP(C)::B(G)
- S(h);OGATE,P_SPINP(f),XP(D)::R1(I),XP(f)
- S(h);OGATE,P_SPINP(f),XP(E)::R1(I),XP(f)
- P(f);OGATE,P_SPINS(h),XP(D)::QAB1(F)
- P(f);OGATE,P_SPINS(h),XP(E)::QAB1(F)
- B(a);SBLOCK::QAR1(F),XP(f)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- S(h);OGATE,P_SPINP(f)::R1(I),XP(f)
- Refutation
- S(g);XB(G)
- Try
- B(G);
- Vars
- S(g);N_GUARD,XP(C)::B(G)
- S(h);OGATE,P_SPINP(f),XP(D)::R1(I),XP(f)
- S(h);OGATE,P_SPINP(f),XP(E)::R1(I),XP(f)
- P(f);OGATE,P_SPINS(h),XP(D)::QAB1(F)
- P(f);OGATE,P_SPINS(h),XP(E)::QAB1(F)
- B(a);SBLOCK::QAR1(F),XP(f)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- S(h);OGATE,P_SPINP(f)::R1(I),XP(f)
- Refutation
- S(g);
- Try
- R(A);
- Vars
- S(g);N_GUARD,XP(C)::B(G)
- S(h);OGATE,P_SPINP(f),XP(D)::R1(I),XP(f)
- S(h);OGATE,P_SPINP(f),XP(E)::R1(I),XP(f)
- P(f);OGATE,P_SPINS(h),XP(D)::QAB1(F)
- P(f);OGATE,P_SPINS(h),XP(E)::QAB1(F)
- B(a);SBLOCK::QAR1(F),XP(f)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- S(h);OGATE,P_SPINP(f)::R1(I),XP(f)
- Refutation
- P(d);
- Try
- R(I);XP(j)
- Vars
- S(g);N_GUARD,XP(C)::B(G)
- S(h);OGATE,P_SPINP(f),XP(D)::R1(I),XP(f)
- S(h);OGATE,P_SPINP(f),XP(E)::R1(I),XP(f)
- P(f);OGATE,P_SPINS(h),XP(D)::QAB1(F)
- P(f);OGATE,P_SPINS(h),XP(E)::QAB1(F)
- B(a);SBLOCK::QAR1(F),XP(f)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- S(h);OGATE,P_SPINP(f)::R1(I),XP(f)
- Refutation
- S(g);CHECK,XR(I)
- Try
- Q(F);
- Vars
- S(g);N_GUARD,XP(C)::B(G)
- P(f);P_SPINS(h),XP(D)::QAR(F)+P(E)
- P(f);OGATE,P_SPINP(f),P_SPINS(h),XP(E)::QAR1(F),XP(f)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- Refutation
- B(a);
- Try
- Q(F);CHECK
- Vars
- S(g);P_SPINS(g)::B(G)
- Refutation
- K(e);S_FLIGHT
- Try
- Q(F);CHECK
- Vars
- S(g);XQ(F)::B(G)
- Refutation
- K(e);S_FLIGHT
- Try
- Q(F);CHECK
- Vars
- S(g);P_SPINS(g)::B(G)
- Refutation
- K(e);S_FLIGHT
- Try
- P(E);
- Vars
- S(g);N_GUARD,XP(C)::B(G)
- P(f);P_SPINS(h),XP(D)::QAR2(F)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- S(h);OGATE,P_SPINP(f)::R1(I),XP(f)
- Refutation
- B(a);
- Try
- Actual
- Q(F);
- Vars
- S(g);N_GUARD,XP(C)::B(G)
- S(h);OGATE,P_SPINP(f),XP(D)::R1(I),XP(f)
- S(h);OGATE,P_SPINP(f),XP(E)::R1(I),XP(f)
- P(f);P_SPINS(h),SBLOCK,XP(D)::QAR(F)+B(B)
- P(f);P_SPINS(h),SBLOCK,XP(E)::QAR(F)+B(B)
- B(a);SBLOCK::QAB1(F)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- S(h);OGATE,P_SPINP(f)::R1(I),XP(f)
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).