MESON Chess Problem Database
Problem Display
PID: 70827 (8/3p2N1/3B4/2pP3p/2K1kpbR/4p3/4n1P1/4RNQ1 w - - 0 1)
Toth, Julius
Magyar Hirlap, 1927
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Bf3
- 2.Qxe3#
- 1...Bh3
- 2.Qxe3#
- 1...Bf5
- 2.Qxe3#
- 1...Be6
- 2.Qxe3#
- 1...Sc1
- 2.Sd2#
- 1...Sxg1
- 2.Sd2#
- 1...Sc3
- 2.Sd2#
- 1...Sg3
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...f3
- 2.Qxe3#
- 1...Bf3
- Tries
- 1.Bxf4?
- threat
- 2.Qxe3#
- 1...Kxf4
- 2.Qxe3#
- 1...Sxg1!
- threat
- 1.Bc7?
- 1...Sxg1
- 2.Sd2#
- 1...Bf3
- 2.Qxe3#
- 1...Bh3
- 2.Qxe3#
- 1...Bf5
- 2.Qxe3#
- 1...Be6
- 2.Qxe3#
- 1...Sc1
- 2.Sd2#
- 1...Sc3
- 2.Sd2#
- 1...Sg3
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...f3
- 2.Qxe3#
- 1...d6!
- 1...Sxg1
- 1.Bb8?
- 1...Sxg1
- 2.Sd2#
- 1...Bf3
- 2.Qxe3#
- 1...Bh3
- 2.Qxe3#
- 1...Bf5
- 2.Qxe3#
- 1...Be6
- 2.Qxe3#
- 1...Sc1
- 2.Sd2#
- 1...Sc3
- 2.Sd2#
- 1...Sg3
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...f3
- 2.Qxe3#
- 1...d6!
- 1...Sxg1
- 1.Rxg4?
- threat
- 2.Qxe3#
- 1...Sxg1
- 2.Sd2#
- 2.Sg3#
- 2.Rxe3#
- 2.Rxf4#
- 1...hxg4!
- threat
- 1.Qf2?
- 1...Bh3
- 2.Qxe3#
- 2.Qf3#
- 1...Bf3
- 2.Qxe3#
- 2.Qxf3#
- 2.gxf3#
- 1...Bf5
- 2.Qxe3#
- 2.Qf3#
- 1...Be6
- 2.Qxe3#
- 2.Qf3#
- 1...Sc1
- 2.Sd2#
- 2.Qxf4#
- 1...Sg1
- 2.Sd2#
- 2.Qc2#
- 2.Qxf4#
- 1...Sc3
- 2.Sd2#
- 2.Qc2#
- 2.Qxf4#
- 1...Sg3
- 2.Sd2#
- 2.Qc2#
- 2.Qxf4#
- 1...Sd4
- 2.Sd2#
- 2.Qxf4#
- 1...f3
- 2.Qxe3#
- 2.Qxf3#
- 2.gxf3#
- 1...exf2!
- 1...Bh3
- 1.g3?
- 1...Sxg1
- 2.Sd2#
- 1...Sxg3
- 2.Sd2#
- 1...fxg3
- 2.Qxe3#
- 2.Qg2#
- 1...Bh3
- 2.Qxe3#
- 1...Bf3
- 2.Qxe3#
- 1...Bf5
- 2.Qxe3#
- 2.Qh1#
- 2.Qg2#
- 1...Be6
- 2.Qxe3#
- 2.Qh1#
- 2.Qg2#
- 1...Sc1
- 2.Sd2#
- 1...Sc3
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...f3
- 2.Qxe3#
- 1...Kf3!
- 1...Sxg1
- 1.Bxf4?
- Keys
- 1.Qh1!
- 1...Bh3
- 2.gxh3#
- 1...Bf3
- 2.gxf3#
- 1...Bf5
- 2.g3#
- 1...Be6
- 2.g3#
- 1...Sc1
- 2.Sd2#
- 1...Sg1
- 2.Sd2#
- 1...Sc3
- 2.Sd2#
- 1...Sg3
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...f3
- 2.gxf3#
- 1...Bh3
- 1.Qh1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(e);P_SPINP(d)::QAR1(C),XP(b)
- B(e);P_PINP(G),P_SPINP(d)::QAR1(C),XP(b)
- S(a);P_SPINP(b)::S(B)
- S(a);P_SPINP(b),XQ(C)::S(B)
- P(d);N_GUARD,P_SPINB(e)::QAR1(C),XP(b)
- Tries
- Try
- B(H);XP(d)
- Threat
- QAR1(C),XP(b)
- Vars
- K(c);P-FLIGHT,P_SPINB(e),XB(H)::QAB1(C),XP(b)
- Refutation
- S(a);P_SPINP(b),XQ(C)
- Try
- B(H);
- Vars
- S(a);P_SPINP(b),XQ(C)::S(B)
- B(e);P_SPINP(d)::QAR1(C),XP(b)
- B(e);P_PINP(G),P_SPINP(d)::QAR1(C),XP(b)
- S(a);P_SPINP(b)::S(B)
- P(d);N_GUARD,P_SPINB(e)::QAR1(C),XP(b)
- Refutation
- P(h);
- Try
- B(H);
- Vars
- S(a);P_SPINP(b),XQ(C)::S(B)
- B(e);P_SPINP(d)::QAR1(C),XP(b)
- B(e);P_PINP(G),P_SPINP(d)::QAR1(C),XP(b)
- S(a);P_SPINP(b)::S(B)
- P(d);N_GUARD,P_SPINB(e)::QAR1(C),XP(b)
- Refutation
- P(h);
- Try
- R(F);P_PINP(d),XB(e)
- Threat
- QAR1(C),XP(b)
- Refutation
- P(g);N_SPINP(d),XR(F)
- Try
- Q(C);
- Refutation
- P(b);P_SPINS(a),XQ(C)
- Try
- P(D);
- Vars
- S(a);P_SPINP(b),XQ(C)::S(B)
- S(a);P_SPINP(b),XP(D)::S(B)
- B(e);P_SPINP(d)::QAR1(C),XP(b)
- S(a);P_SPINP(b)::S(B)
- P(d);N_GUARD,P_SPINB(e)::QAR1(C),XP(b)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- Q(C);
- Vars
- B(e);OGATE,P_SPINP(d)::QAB(C)+P(D),XB(e)
- B(e);OGATE,P_SPINP(d)::P(D),XB(e)
- B(e);N_GUARD,P_SPINP(d)::QAB(C)+P(D)
- B(e);N_GUARD,P_PINP(G),P_SPINP(d)::QAB(C)+P(D)
- S(a);P_SPINP(b)::S(B)
- P(d);OGATE,P_SPINB(e)::P(D),XP(d)
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).