MESON Chess Problem Database
Problem Display
PID: 71391 (8/Q1p2N2/1r4p1/nP4K1/R1nkP3/B2P4/3P4/4N3 w - - 0 1)
Schor, Laszlo
3rd HM., L'Echiquier, 1928
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Sb3
- 2.Rxc4#
- 1...Sc6
- 2.Rxc4#
- 1...Sb7
- 2.Rxc4#
- 1...c5
- 2.Bb2#
- 1...c6
- 2.Qd7#
- 1...Sb3
- Tries
- 1.Kf4?
- 1...Sb3
- 2.Rxc4#
- 1...Sc6
- 2.Rxc4#
- 1...Sb7
- 2.Rxc4#
- 1...c5
- 2.Bb2#
- 1...c6
- 2.Qd7#
- 1...g5+!
- 1...Sb3
- 1.Kg4?
- 1...Sb3
- 2.Rxc4#
- 1...Sc6
- 2.Rxc4#
- 1...Sb7
- 2.Rxc4#
- 1...c5
- 2.Bb2#
- 1...c6
- 2.Qd7#
- 1...g5!
- 1...Sb3
- 1.Kh4?
- 1...Sb3
- 2.Rxc4#
- 1...Sc6
- 2.Rxc4#
- 1...Sb7
- 2.Rxc4#
- 1...c5
- 2.Bb2#
- 1...c6
- 2.Qd7#
- 1...g5+!
- 1...Sb3
- 1.Kh6?
- 1...Sb3
- 2.Rxc4#
- 1...Sc6
- 2.Rxc4#
- 1...Sb7
- 2.Rxc4#
- 1...c5
- 2.Bb2#
- 1...c6
- 2.Qd7#
- 1...g5+!
- 1...Sb3
- 1.Bd6?
- 1...cxd6
- 2.Qxb6#
- 1...Sb3
- 2.Rxc4#
- 1...Sc6
- 2.Rxc4#
- 1...Sb7
- 2.Rxc4#
- 1...c5
- 2.Be5#
- 1...c6!
- 1...cxd6
- 1.Be7?
- 1...Sb3
- 2.Rxc4#
- 1...Sc6
- 2.Rxc4#
- 1...Sb7
- 2.Rxc4#
- 1...c6
- 2.Qd7#
- 1...c5!
- 1...Sb3
- 1.Bf8?
- 1...Sb3
- 2.Rxc4#
- 1...Sc6
- 2.Rxc4#
- 1...Sb7
- 2.Rxc4#
- 1...c6
- 2.Qd7#
- 1...c5!
- 1...Sb3
- 1.Qxb6+?
- 1...c5
- 2.Bb2#
- 2.Bxc5#
- 2.Qxc5#
- 2.Qd8#
- 2.Qd6#
- 2.Qf6#
- 2.bxc5 ep#
- 1...cxb6!
- 1...c5
- 1.Qxa5?
- threat
- 2.Rxc4#
- 2.Qc3#
- 1...Rc6
- 2.Qc3#
- 1...Rxb5+!
- threat
- 1.Qxc7?
- threat
- 2.Bb2#
- 2.Bc5#
- 2.Qe5#
- 2.Qxb6#
- 2.Qc5#
- 1...Sb3
- 2.Bb2#
- 2.Rxc4#
- 2.Qe5#
- 2.Qxc4#
- 1...Ra6
- 2.Bb2#
- 2.Bc5#
- 2.Qe5#
- 2.Qc5#
- 1...Rc6
- 2.Qe5#
- 1...Rd6
- 2.Bb2#
- 2.Bc5#
- 2.Qxd6#
- 2.Qc5#
- 1...Re6
- 2.Bb2#
- 2.Bc5#
- 2.Qc5#
- 1...Rf6
- 2.Bb2#
- 2.Bc5#
- 2.Qe5#
- 2.Qc5#
- 1...Rb7
- 2.Bb2#
- 2.Bc5#
- 2.Qe5#
- 2.Qd6#
- 2.Qc5#
- 1...Rb8
- 2.Bb2#
- 2.Bc5#
- 2.Qe5#
- 2.Qd6#
- 2.Qc5#
- 2.Qd7#
- 1...Sc6
- 2.Rxc4#
- 2.Qxb6#
- 2.Qd6#
- 2.Qd7#
- 1...Sb7
- 2.Bb2#
- 2.Rxc4#
- 2.Qe5#
- 2.Qxc4#
- 1...Rxb5+!
- threat
- 1.Kf4?
- Keys
- 1.Sd8!
- 1...Ke5
- 2.Sf3#
- 1...Sb3
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sb7
- 2.Sc6#
- 1...c5
- 2.Bb2#
- 1...c6
- 2.Qg7#
- 1...Ke5
- 1.Sd8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD::R1(E),XS(a)
- P(f);N_SPINR(d),SBLOCK::B(C)
- P(f);OGATE::QAR(I)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- S(c);N_GUARD::R1(E),XS(a)
- P(f);N_SPINR(d),SBLOCK::B(C)
- P(f);OGATE::QAR(I)
- Refutation
- P(e);CHECK
- Try
- K(H);P-FLIGHT
- Vars
- S(c);N_GUARD::R1(E),XS(a)
- P(f);N_SPINR(d),SBLOCK::B(C)
- P(f);OGATE::QAR(I)
- Refutation
- P(e);
- Try
- K(H);S_FLIGHT
- Vars
- S(c);N_GUARD::R1(E),XS(a)
- P(f);N_SPINR(d),SBLOCK::B(C)
- P(f);OGATE::QAR(I)
- Refutation
- P(e);CHECK
- Try
- K(H);S_FLIGHT
- Vars
- S(c);N_GUARD::R1(E),XS(a)
- P(f);N_SPINR(d),SBLOCK::B(C)
- P(f);OGATE::QAR(I)
- Refutation
- P(e);CHECK
- Try
- B(C);
- Vars
- P(f);N_GUARD,XB(C)::QAB(I),XR(d)
- S(c);N_GUARD::R1(E),XS(a)
- P(f);N_SPINR(d),SBLOCK::B(C)
- Refutation
- P(f);
- Try
- B(C);
- Vars
- S(c);N_GUARD::R1(E),XS(a)
- P(f);OGATE::QAR(I)
- Refutation
- P(f);N_SPINR(d)
- Try
- B(C);
- Vars
- S(c);N_GUARD::R1(E),XS(a)
- P(f);OGATE::QAR(I)
- Refutation
- P(f);N_SPINR(d)
- Try
- Q(I);CHECK,XR(d)
- Refutation
- P(f);XQ(I)
- Try
- Q(I);N_PINR(d),XS(c)
- Threat
- DUALS(2)
- Vars
- R(d);::QAB1(I)
- Refutation
- R(d);CHECK,XP(G)
- Try
- Q(I);N_PINR(d),XP(f)
- Threat
- DUALS(5)
- Vars
- R(d);::QAB1(I)
- Refutation
- R(d);CHECK,XP(G)
- Try
- Actual
- S(J);
- Vars
- K(b);N_SPINR(d),N_SPINS(a),S_FLIGHT::S(A)
- S(c);N_GUARD::S(J)
- S(c);N_GUARD::S(J),XS(c)
- P(f);N_SPINR(d),SBLOCK::B(C)
- P(f);OGATE::QAB(I)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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