MESON Chess Problem Database
Problem Display
PID: 40545 (8/8/1p5p/1Nbp1P1K/p2p1Q2/R2prP2/2p1kp2/2R2N2 w - - 0 1)
Zilahi, Zoltan
Recomm., BCF 028. Ty., 1938-1939
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Rxf3
- 2.Qd2#
- 1...Re4
- 2.Sg3#
- 1...Re5
- 2.Sg3#
- 1...Re6
- 2.Sg3#
- 1...Re7
- 2.Sg3#
- 1...Re8
- 2.Sg3#
- 1...Bxa3
- 2.Sxd4#
- 1...Bb4
- 2.Sxd4#
- 1...Bd6
- 2.Sxd4#
- 1...Be7
- 2.Sxd4#
- 1...Bf8
- 2.Sxd4#
- 1...d2
- 2.Sg3#
- 1...Rxf3
- Tries
- 1.Kg4?
- 1...Rxf3
- 2.Qd2#
- 2.Qxf3#
- 1...Bxa3
- 2.Sxd4#
- 1...Re4
- 2.Sg3#
- 1...Re5
- 2.Sg3#
- 2.Qd2#
- 2.Qxe5#
- 1...Re6
- 2.Sg3#
- 2.Qd2#
- 1...Re7
- 2.Sg3#
- 2.Qd2#
- 1...Re8
- 2.Sg3#
- 2.Qd2#
- 1...Bb4
- 2.Sxd4#
- 1...Bd6
- 2.Sxd4#
- 1...Be7
- 2.Sxd4#
- 1...Bf8
- 2.Sxd4#
- 1...d2
- 2.Sg3#
- 1...h5+!
- 1...Rxf3
- 1.Rc3?
- 1...Rxf3
- 2.Qd2#
- 1...dxc3
- 2.Sxc3#
- 1...Re4
- 2.Sg3#
- 1...Re5
- 2.Sg3#
- 1...Re6
- 2.Sg3#
- 1...Re7
- 2.Sg3#
- 1...Re8
- 2.Sg3#
- 1...Ba3
- 2.Sxd4#
- 1...Bb4
- 2.Sxd4#
- 1...Bd6
- 2.Sxd4#
- 1...Be7
- 2.Sxd4#
- 1...Bf8
- 2.Sxd4#
- 1...d2
- 2.Sg3#
- 1...a3!
- 1...Rxf3
- 1.Rxa4?
- 1...Rxf3
- 2.Qd2#
- 1...Re4
- 2.Sg3#
- 1...Re5
- 2.Sg3#
- 1...Re6
- 2.Sg3#
- 1...Re7
- 2.Sg3#
- 1...Re8
- 2.Sg3#
- 1...Ba3
- 2.Sxd4#
- 1...Bb4
- 2.Sxd4#
- 1...Bd6
- 2.Sxd4#
- 1...Be7
- 2.Sxd4#
- 1...Bf8
- 2.Sxd4#
- 1...d2!
- 1...Rxf3
- 1.Qg4?
- 1...Bxa3
- 2.Sxd4#
- 1...Re4
- 2.fxe4#
- 2.f4#
- 1...Re5
- 2.f4#
- 1...Re6
- 2.f4#
- 1...Re7
- 2.f4#
- 1...Re8
- 2.f4#
- 1...Bb4
- 2.Sxd4#
- 1...Bd6
- 2.Sxd4#
- 1...Be7
- 2.Sxd4#
- 1...Bf8
- 2.Sxd4#
- 1...d2
- 2.Sg3#
- 1...Rxf3!
- 1...Bxa3
- 1.f6?
- 1...Rxf3
- 2.Qd2#
- 1...Bxa3
- 2.Sxd4#
- 1...Re4
- 2.Sg3#
- 1...Re6
- 2.Sg3#
- 1...Re7
- 2.Sg3#
- 1...Re8
- 2.Sg3#
- 1...Bb4
- 2.Sxd4#
- 1...Bd6
- 2.Sxd4#
- 1...Be7
- 2.Sxd4#
- 1...Bf8
- 2.Sxd4#
- 1...d2
- 2.Sg3#
- 1...Re5+!
- 1...Rxf3
- 1.Kg4?
- Keys
- 1.Qxd4!
- 1...Kxf3
- 2.Qg4#
- 1...Rxf3
- 2.Sc3#
- 1...Bxa3
- 2.Qxe3#
- 1...Bxd4
- 2.Sxd4#
- 1...Re4
- 2.Qxd3#
- 1...Re5
- 2.Qxd3#
- 1...Re6
- 2.Qxd3#
- 1...Re7
- 2.Qxd3#
- 1...Re8
- 2.Qxd3#
- 1...Bb4
- 2.Qxe3#
- 1...Bd6
- 2.Qxe3#
- 1...Be7
- 2.Qxe3#
- 1...Bf8
- 2.Qxe3#
- 1...d2
- 2.Rxe3#
- 1...Kxf3
- 1.Qxd4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 12
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(e);OGATE,SBLOCK,XP(D)::QAR1(E)
- R(e);::S(B)
- R(e);P_PINP(G)::S(B)
- B(h);N_GUARD,XR(C)::S(F),XP(g)
- B(h);N_GUARD::S(F),XP(g)
- P(d);SBLOCK::S(B)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- B(h);N_GUARD,XR(C)::S(F),XP(g)
- R(e);P_PINQ(E)::S(B)
- B(h);N_GUARD::S(F),XP(g)
- P(d);SBLOCK::S(B)
- Refutation
- P(k);CHECK
- Try
- R(C);
- Vars
- R(e);OGATE,SBLOCK,XP(D)::QAR1(E)
- P(g);XR(C)::S(F),XP(g)
- R(e);::S(B)
- R(e);P_PINP(G)::S(B)
- B(h);N_GUARD::S(F),XP(g)
- P(d);SBLOCK::S(B)
- Refutation
- P(f);
- Try
- R(C);XP(f)
- Vars
- R(e);OGATE,SBLOCK,XP(D)::QAR1(E)
- R(e);::S(B)
- R(e);P_PINP(G)::S(B)
- B(h);N_GUARD::S(F),XP(g)
- Refutation
- P(d);
- Try
- Q(E);
- Vars
- B(h);N_GUARD,XR(C)::S(F),XP(g)
- R(e);N_GUARD,P_PINP(G)::QAB(E)+P(D)
- R(e);N_GUARD::QAB(E)+P(D)
- B(h);N_GUARD::S(F),XP(g)
- P(d);SBLOCK::S(B)
- Refutation
- R(e);P_SPINR(e),XP(D)
- Try
- P(G);
- Vars
- R(e);OGATE,SBLOCK,XP(D)::QAR1(E)
- B(h);N_GUARD,XR(C)::S(F),XP(g)
- R(e);::S(B)
- B(h);N_GUARD::S(F),XP(g)
- P(d);SBLOCK::S(B)
- Refutation
- R(e);CHECK
- Try
- Actual
- Q(E);XP(g)
- Vars
- K(b);OGATEB,S_FLIGHT,XP(D)::QAB1(E)
- R(e);SBLOCK,XP(D)::S(F)
- B(h);N_GUARD,XR(C)::QAR1(E),XR(e)
- B(h);XQ(E)::S(F),XB(h)
- R(e);N_GUARD::QAB1(E),XP(d)
- R(e);N_GUARD,P_PINP(G)::QAB1(E),XP(d)
- B(h);N_GUARD::QAR1(E),XR(e)
- P(d);OGATE::R1(C),XR(e)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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