MESON Chess Problem Database
Problem Display
PID: 107325 (8/5N2/2Qn1R2/p4b2/K2NP3/2p1k1P1/2Pn2P1/3RBB2 w - - 0 1)
Zilahi, Zoltan
Comm., TBS, 1956
#2
12 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxd4
- 2.Bf2#
- 1...Bh3
- 2.Bf2#
- 1...Bxe4
- 2.Bf2#
- 1...Bg4
- 2.Bf2#
- 1...Be6
- 2.Bf2#
- 1...Bg6
- 2.Bf2#
- 1...Bd7
- 2.Bf2#
- 1...Bh7
- 2.Bf2#
- 1...Bc8
- 2.Bf2#
- 1...Sb1
- 2.Rd3#
- 1...Sxf1
- 2.Rd3#
- 1...Sb3
- 2.Rd3#
- 1...Sf3
- 2.Rd3#
- 1...S2c4
- 2.Rd3#
- 1...S2xe4
- 2.Rd3#
- 1...S6c4
- 2.Sxf5#
- 1...S6xe4
- 2.Sxf5#
- 1...Sb5
- 2.Sxf5#
- 1...Sb7
- 2.Sxf5#
- 1...Sxf7
- 2.Sxf5#
- 1...Sc8
- 2.Sxf5#
- 1...Se8
- 2.Sxf5#
- 1...Kxd4
- Tries
- 1.Se5?
- 1...Bxe4
- 2.Bf2#
- 1...Sxf1
- 2.Rd3#
- 1...S2xe4
- 2.Rd3#
- 1...S6xe4
- 2.Sxf5#
- 1...Bh3
- 2.Bf2#
- 1...Bg4
- 2.Bf2#
- 1...Be6
- 2.Bf2#
- 1...Bg6
- 2.Bf2#
- 1...Bd7
- 2.Bf2#
- 1...Bh7
- 2.Bf2#
- 1...Bc8
- 2.Bf2#
- 1...Sb1
- 2.Rd3#
- 1...Sb3
- 2.Rd3#
- 1...Sf3
- 2.Rd3#
- 1...S2c4
- 2.Rd3#
- 1...S6c4
- 2.Sxf5#
- 1...Sb5
- 2.Sxf5#
- 1...Sb7
- 2.Sxf5#
- 1...Sf7
- 2.Sxf5#
- 1...Sc8
- 2.Sxf5#
- 1...Se8
- 2.Sxf5#
- 1...Kxd4!
- 1...Bxe4
- 1.Sg5?
- threat
- 2.Qxc3#
- 1...Bxe4
- 2.Bf2#
- 1...S2xe4
- 2.Rd3#
- 1...S6xe4
- 2.Sxf5#
- 1...Bd7
- 2.Bf2#
- 1...Sb1
- 2.Rd3#
- 1...S2c4
- 2.Rd3#
- 1...S6c4
- 2.Sxf5#
- 1...Sb5
- 2.Sxf5#
- 1...Kxd4!
- threat
- 1.Sxd6?
- threat
- 2.S4xf5#
- 2.S6xf5#
- 2.Qxc3#
- 1...Bxe4
- 2.Bf2#
- 1...Sxf1
- 2.Sc4#
- 2.S6xf5#
- 2.Rd3#
- 2.Qxc3#
- 1...Sxe4
- 2.S4xf5#
- 2.Sc4#
- 2.S6xf5#
- 2.Rd3#
- 1...Bh3
- 2.Bf2#
- 2.Qxc3#
- 1...Bg4
- 2.Bf2#
- 2.Qxc3#
- 1...Be6
- 2.Bf2#
- 2.Qxc3#
- 1...Bg6
- 2.Bf2#
- 2.Qxc3#
- 1...Bd7
- 2.Bf2#
- 1...Bh7
- 2.Bf2#
- 2.Qxc3#
- 1...Bc8
- 2.Bf2#
- 2.Qxc3#
- 1...Sb1
- 2.S4xf5#
- 2.Sc4#
- 2.S6xf5#
- 2.Rd3#
- 1...Sc4
- 2.S4xf5#
- 2.Sxc4#
- 2.S6xf5#
- 2.Rd3#
- 1...Kxd4!
- threat
- 1.Sh6?
- 1...Bxe4
- 2.Bf2#
- 1...Sxf1
- 2.Rd3#
- 1...S2xe4
- 2.Rd3#
- 1...S6xe4
- 2.Sdxf5#
- 2.Shxf5#
- 1...Bh3
- 2.Bf2#
- 1...Bg4
- 2.Bf2#
- 1...Be6
- 2.Bf2#
- 1...Bg6
- 2.Bf2#
- 1...Bd7
- 2.Bf2#
- 1...Bh7
- 2.Bf2#
- 1...Bc8
- 2.Bf2#
- 1...Sb1
- 2.Rd3#
- 1...Sb3
- 2.Rd3#
- 1...Sf3
- 2.Rd3#
- 1...S2c4
- 2.Rd3#
- 1...S6c4
- 2.Sdxf5#
- 2.Shxf5#
- 1...Sb5
- 2.Sdxf5#
- 2.Shxf5#
- 1...Sb7
- 2.Sdxf5#
- 2.Shxf5#
- 1...Sf7
- 2.Sdxf5#
- 2.Shxf5#
- 1...Sc8
- 2.Sdxf5#
- 2.Shxf5#
- 1...Se8
- 2.Sdxf5#
- 2.Shxf5#
- 1...Kxd4!
- 1...Bxe4
- 1.Sd8?
- 1...Bxe4
- 2.Bf2#
- 1...Sxf1
- 2.Rd3#
- 1...S2xe4
- 2.Rd3#
- 1...S6xe4
- 2.Sxf5#
- 1...Bh3
- 2.Bf2#
- 1...Bg4
- 2.Bf2#
- 1...Be6
- 2.Bf2#
- 1...Bg6
- 2.Bf2#
- 1...Bd7
- 2.Bf2#
- 1...Bh7
- 2.Bf2#
- 1...Bc8
- 2.Bf2#
- 1...Sb1
- 2.Rd3#
- 1...Sb3
- 2.Rd3#
- 1...Sf3
- 2.Rd3#
- 1...S2c4
- 2.Rd3#
- 1...S6c4
- 2.Sxf5#
- 1...Sb5
- 2.Sxf5#
- 1...Sb7
- 2.Sxf5#
- 1...Sf7
- 2.Sxf5#
- 1...Sc8
- 2.Sxf5#
- 1...Se8
- 2.Sxf5#
- 1...Kxd4!
- 1...Bxe4
- 1.Sh8?
- 1...Bxe4
- 2.Bf2#
- 1...Sxf1
- 2.Rd3#
- 1...S2xe4
- 2.Rd3#
- 1...S6xe4
- 2.Sxf5#
- 1...Bh3
- 2.Bf2#
- 1...Bg4
- 2.Bf2#
- 1...Be6
- 2.Bf2#
- 1...Bg6
- 2.Bf2#
- 1...Bd7
- 2.Bf2#
- 1...Bh7
- 2.Bf2#
- 1...Bc8
- 2.Bf2#
- 1...Sb1
- 2.Rd3#
- 1...Sb3
- 2.Rd3#
- 1...Sf3
- 2.Rd3#
- 1...S2c4
- 2.Rd3#
- 1...S6c4
- 2.Sxf5#
- 1...Sb5
- 2.Sxf5#
- 1...Sb7
- 2.Sxf5#
- 1...Sf7
- 2.Sxf5#
- 1...Sc8
- 2.Sxf5#
- 1...Se8
- 2.Sxf5#
- 1...Kxd4!
- 1...Bxe4
- 1.Bc4?
- 1...Kxd4
- 2.Bf2#
- 1...Bxe4
- 2.Bf2#
- 1...S2xc4
- 2.Rd3#
- 1...S2xe4
- 2.Rd3#
- 1...S6xe4
- 2.Sxf5#
- 1...Sxf7
- 2.Sxf5#
- 1...Bh3
- 2.Bf2#
- 1...Bg4
- 2.Bf2#
- 1...Be6
- 2.Bf2#
- 1...Bg6
- 2.Bf2#
- 1...Bd7
- 2.Bf2#
- 1...Bh7
- 2.Bf2#
- 1...Bc8
- 2.Bf2#
- 1...Sb1
- 2.Rd3#
- 1...Sf1
- 2.Rd3#
- 1...Sb3
- 2.Rd3#
- 1...Sf3
- 2.Rd3#
- 1...Sb5
- 2.Sxf5#
- 1...Sb7
- 2.Sxf5#
- 1...Sc8
- 2.Sxf5#
- 1...Se8
- 2.Sxf5#
- 1...S6xc4!
- 1...Kxd4
- 1.Rxf5?
- threat
- 2.Bf2#
- 1...Kxd4
- 2.Bf2#
- 1...S2xe4
- 2.Rd3#
- 2.Rf3#
- 1...Sxf5
- 2.Sxf5#
- 1...Sf3
- 2.Rd3#
- 2.Rxf3#
- 1...S6xe4!
- threat
- 1.Re6?
- threat
- 2.Qxc3#
- 1...Kxd4
- 2.Bf2#
- 2.Qb6#
- 1...S6c4
- 2.Sxf5#
- 1...Sb1
- 2.Rd3#
- 1...S2c4
- 2.Rd3#
- 1...Sb5
- 2.Sxf5#
- 1...Bxe6!
- threat
- 1.Qd5?
- 1...Bxe4
- 2.Bf2#
- 1...Sxf1
- 2.Rd3#
- 1...S2xe4
- 2.Rd3#
- 1...S6xe4
- 2.Sxf5#
- 1...Sxf7
- 2.Sxf5#
- 1...S6c4
- 2.Sxf5#
- 1...Bh3
- 2.Bf2#
- 1...Bg4
- 2.Bf2#
- 1...Be6
- 2.Bf2#
- 1...Bg6
- 2.Bf2#
- 1...Bh7
- 2.Bf2#
- 1...Bc8
- 2.Bf2#
- 1...Sb1
- 2.Rd3#
- 1...Sb3
- 2.Rd3#
- 1...Sf3
- 2.Rd3#
- 1...S2c4
- 2.Rd3#
- 1...Sb5
- 2.Sxf5#
- 1...Sb7
- 2.Sxf5#
- 1...Sc8
- 2.Sxf5#
- 1...Se8
- 2.Sxf5#
- 1...Bd7+!
- 1...Bxe4
- 1.Se5?
- Keys
- 1.e5!
- 1...Bxc2+
- 2.Sxc2#
- 1...Kxd4
- 2.Bf2#
- 1...Sxf1
- 2.Qf3#
- 1...Sxf7
- 2.Sxf5#
- 1...S6c4
- 2.Sxf5#
- 1...Bd3
- 2.Bf2#
- 1...Bh3
- 2.Bf2#
- 1...Be4
- 2.Bf2#
- 1...Bg4
- 2.Bf2#
- 1...Be6
- 2.Bf2#
- 1...Bg6
- 2.Bf2#
- 1...Bd7
- 2.Bf2#
- 1...Bh7
- 2.Bf2#
- 1...Bc8
- 2.Bf2#
- 1...Sb1
- 2.Qf3#
- 1...Sb3
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...S2c4
- 2.Qf3#
- 1...S2e4
- 2.Rd3#
- 1...S6e4
- 2.Sxf5#
- 1...Sb5
- 2.Sxf5#
- 1...Sb7
- 2.Sxf5#
- 1...Sc8
- 2.Sxf5#
- 1...Se8
- 2.Sxf5#
- 1...Bxc2+
- 1.e5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(c);P_SPINS(a),S_FLIGHT,XS(H)::B(B)
- B(e);::B(B)
- B(e);XP(I)::B(B)
- B(e);P_PINQ(J)::B(B)
- S(a);OGATE::R1(A)
- S(a);OGATE,XB(C)::R1(A)
- S(a);OGATE,XP(I)::R1(A)
- S(f);N_GUARD::S(H),XB(e)
- S(f);N_GUARD,XP(I)::S(H),XB(e)
- S(f);N_GUARD,XS(L)::S(H),XB(e)
- Tries
- Try
- S(L);
- Vars
- B(e);XP(I)::B(B)
- S(a);OGATE,XB(C)::R1(A)
- S(a);OGATE,XP(I)::R1(A)
- S(f);N_GUARD,XP(I)::S(H),XB(e)
- B(e);::B(B)
- B(e);P_PINQ(J)::B(B)
- S(a);OGATE::R1(A)
- S(f);N_GUARD::S(H),XB(e)
- Refutation
- K(c);P_SPINS(a),S_FLIGHT,XS(H)
- Try
- S(L);
- Threat
- QAR2(J),XP(b)
- Vars
- B(e);XP(I)::B(B)
- S(a);OGATE,XP(I)::R1(A)
- S(f);N_GUARD,XP(I)::S(H),XB(e)
- B(e);P_PINQ(J)::B(B)
- S(a);OGATE::R1(A)
- S(f);N_GUARD::S(H),XB(e)
- Refutation
- K(c);P_SPINS(a),S_FLIGHT,XS(H)
- Try
- S(L);XS(f)
- Threat
- DUALS(3)
- Vars
- B(e);XP(I)::B(B)
- B(e);P_PINQ(J)::B(B)
- Refutation
- K(c);P_SPINS(a),S_FLIGHT,XS(H)
- Try
- S(L);
- Vars
- B(e);XP(I)::B(B)
- S(a);OGATE,XB(C)::R1(A)
- S(a);OGATE,XP(I)::R1(A)
- B(e);::B(B)
- B(e);P_PINQ(J)::B(B)
- S(a);OGATE::R1(A)
- Refutation
- K(c);P_SPINS(a),S_FLIGHT,XS(H)
- Try
- S(L);
- Vars
- B(e);XP(I)::B(B)
- S(a);OGATE,XB(C)::R1(A)
- S(a);OGATE,XP(I)::R1(A)
- S(f);N_GUARD,XP(I)::S(H),XB(e)
- B(e);::B(B)
- B(e);P_PINQ(J)::B(B)
- S(a);OGATE::R1(A)
- S(f);N_GUARD::S(H),XB(e)
- Refutation
- K(c);P_SPINS(a),S_FLIGHT,XS(H)
- Try
- S(L);
- Vars
- B(e);XP(I)::B(B)
- S(a);OGATE,XB(C)::R1(A)
- S(a);OGATE,XP(I)::R1(A)
- S(f);N_GUARD,XP(I)::S(H),XB(e)
- B(e);::B(B)
- B(e);P_PINQ(J)::B(B)
- S(a);OGATE::R1(A)
- S(f);N_GUARD::S(H),XB(e)
- Refutation
- K(c);P_SPINS(a),S_FLIGHT,XS(H)
- Try
- B(C);
- Vars
- K(c);P_SPINS(a),S_FLIGHT,XS(H)::B(B)
- B(e);XP(I)::B(B)
- S(a);OGATE,XB(C)::R1(A)
- S(a);OGATE,XP(I)::R1(A)
- S(f);N_GUARD,XP(I)::S(H),XB(e)
- S(f);N_GUARD,XS(L)::S(H),XB(e)
- B(e);::B(B)
- B(e);P_PINQ(J)::B(B)
- S(a);OGATE::R1(A)
- S(f);N_GUARD::S(H),XB(e)
- Refutation
- S(f);XB(C)
- Try
- R(K);XB(e)
- Threat
- B(B)
- Vars
- K(c);P_SPINS(a),S_FLIGHT,XS(H)::B(B)
- S(f);XR(K)::S(H),XS(f)
- Refutation
- S(f);XP(I)
- Try
- R(K);
- Threat
- QAR2(J),XP(b)
- Vars
- S(f);N_GUARD::S(H),XB(e)
- S(a);OGATE::R1(A)
- Refutation
- B(e);XR(K)
- Try
- Q(J);
- Vars
- B(e);XP(I)::B(B)
- S(a);OGATE,XB(C)::R1(A)
- S(a);OGATE,XP(I)::R1(A)
- S(f);N_GUARD,XP(I)::S(H),XB(e)
- S(f);N_GUARD,XS(L)::S(H),XB(e)
- S(f);N_GUARD::S(H),XB(e)
- B(e);::B(B)
- S(a);OGATE::R1(A)
- Refutation
- B(e);CHECK
- Try
- Actual
- P(I);
- Vars
- B(e);CHECK,XP(D)::S(H),XB(e)
- K(c);P_SPINS(a),S_FLIGHT,XS(H)::B(B)
- S(a);N_GUARD,XB(C)::QAR1(J)
- S(f);N_GUARD,XS(L)::S(H),XB(e)
- S(f);N_GUARD::S(H),XB(e)
- B(e);::B(B)
- B(e);P_PINQ(J)::B(B)
- S(a);N_GUARD::QAR1(J)
- S(a);N_GUARD::QAR1(J),XS(a)
- S(a);OGATE::R1(A)
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).