MESON Chess Problem Database
Problem Display
PID: 99621 (2n1Q1b1/8/1prpR1Pn/1PN2kB1/4p1rP/pK3N1B/4P3/6b1 w - - 0 1)
Schor, Laszlo
Magyar Sakkszovetseg, 1966
#2
11 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bh2
- 2.Sd4#
- 1...Bd4
- 2.Sxd4#
- 1...Bxe6+
- 2.Qxe6#
- 1...Bh7
- 2.Rf6#
- 1...Sf7
- 2.Rf6#
- 1...exf3
- 2.e4#
- 1...e3
- 2.Sd4#
- 1...d5
- 2.Re5#
- 1...Bh2
- Tries
- 1.Kc2?
- threat
- 2.Rf6#
- 1...Bxe6
- 2.Qxe6#
- 1...dxc5
- 2.Re5#
- 1...Bd4
- 2.Sxd4#
- 1...d5
- 2.Re5#
- 1...Rxc5+!
- threat
- 1.Kxa3?
- threat
- 2.Rf6#
- 1...Bxe6
- 2.Qxe6#
- 1...dxc5
- 2.Re5#
- 1...Bd4
- 2.Sxd4#
- 1...d5
- 2.Re5#
- 1...Bxc5+!
- threat
- 1.Kc3?
- threat
- 2.Rf6#
- 1...Bd4+
- 2.Sxd4#
- 1...Bxe6
- 2.Qxe6#
- 1...dxc5
- 2.Re5#
- 1...d5
- 2.Re5#
- 1...Rxc5+!
- threat
- 1.Qxc6?
- threat
- 2.Qxe4#
- 2.Qd5#
- 1...exf3
- 2.Qxf3#
- 2.Qe4#
- 2.Qd5#
- 2.e4#
- 1...Bh2
- 2.Sd4#
- 2.Qxe4#
- 1...Bd4
- 2.Sxd4#
- 2.Qxe4#
- 1...Sf7
- 2.Rf6#
- 2.Qxe4#
- 1...Se7
- 2.Qxe4#
- 1...e3
- 2.Sd4#
- 2.Qe4#
- 2.Qd5#
- 1...d5
- 2.Re5#
- 2.Rf6#
- 2.Qxd5#
- 1...Bxe6+!
- threat
- 1.Qf7+?
- 1...Sxf7
- 2.Rf6#
- 1...Bxf7!
- 1...Sxf7
- 1.Qe7?
- threat
- 2.Qf6#
- 1...Bxe6+
- 2.Qxe6#
- 1...Bd4
- 2.Sxd4#
- 1...Sxe7!
- threat
- 1.Qf8+?
- 1...Sf7
- 2.Rf6#
- 1...Bf7!
- 1...Sf7
- 1.Qxg8?
- threat
- 2.Rf6#
- 1...exf3
- 2.e4#
- 1...dxc5
- 2.Re5#
- 1...Bd4
- 2.Sxd4#
- 1...d5
- 2.Re5#
- 1...Sxg8!
- threat
- 1.Kc2?
- Keys
- 1.Ka4!
- threat
- 2.Rf6#
- 1...exf3+
- 2.e4#
- 1...e3+
- 2.Sd4#
- 1...Bxe6
- 2.Qxe6#
- 1...dxc5
- 2.Re5#
- 1...Bd4
- 2.Sxd4#
- 1...d5
- 2.Re5#
- threat
- 1.Ka4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- B(a);N_GUARD::S(C)
- B(a);N_GUARD::S(C),XB(a)
- B(k);CHECK,OGATE,XR(I)::QAB1(K),XB(k)
- B(k);N_PINR(I)::R1(I)
- S(i);N_PINR(I)::R1(I)
- P(c);OGATE,XS(C)::P(A)
- P(c);S_CUTB(a)::S(C)
- P(h);N_PINR(I)::R1(I)
- Tries
- Try
- K(B);N_SPINR(I),P_SPINS(G),S_FLIGHT
- Threat
- R1(I)
- Vars
- B(k);OGATE,XR(I)::QAB1(K),XB(k)
- P(h);N_GUARD,XS(G)::R1(I)
- B(a);N_GUARD::S(C),XB(a)
- P(h);N_GUARD::R1(I)
- Refutation
- R(g);CHECK,XS(G)
- Try
- K(B);N_SPINR(I),P-FLIGHT,XP(b)
- Threat
- R1(I)
- Vars
- B(k);OGATE,XR(I)::QAB1(K),XB(k)
- P(h);N_GUARD,XS(G)::R1(I)
- B(a);N_GUARD::S(C),XB(a)
- P(h);N_GUARD::R1(I)
- Refutation
- B(a);CHECK,XS(G)
- Try
- K(B);N_SPINR(I),P-FLIGHT,P_SPINS(G)
- Threat
- R1(I)
- Vars
- B(a);CHECK,N_GUARD::S(C),XB(a)
- B(k);OGATE,XR(I)::QAB1(K),XB(k)
- P(h);N_GUARD,XS(G)::R1(I)
- P(h);N_GUARD::R1(I)
- Refutation
- R(g);CHECK,XS(G)
- Try
- Q(K);XR(g)
- Threat
- DUALS(2)
- Vars
- S(j);::QAB1(K),XP(c)
- Refutation
- B(k);CHECK,XR(I)
- Try
- Q(K);CHECK,N_SPINR(I)
- Vars
- S(i);XQ(K)::R1(I)
- Refutation
- B(k);P_PINR(I),XQ(K)
- Try
- Q(K);
- Threat
- QAR1(K)
- Vars
- B(k);CHECK,OGATE,XR(I)::QAB1(K),XB(k)
- B(a);N_GUARD::S(C),XB(a)
- Refutation
- S(j);XQ(K)
- Try
- Q(K);CHECK
- Vars
- S(i);N_PINR(I),P_SPINS(i)::R1(I)
- Refutation
- B(k);P_SPINB(k)
- Try
- Q(K);N_SPINR(I),XB(k)
- Threat
- R1(I)
- Vars
- P(c);OGATE,XS(C)::P(A)
- P(h);N_GUARD,XS(G)::R1(I)
- B(a);N_GUARD::S(C),XB(a)
- P(h);N_GUARD::R1(I)
- Refutation
- S(i);XQ(K)
- Try
- Actual
- K(B);N_SPINR(I),S_FLIGHT
- Threat
- R1(I)
- Vars
- P(c);CHECK,OGATE,XS(C)::P(A)
- P(c);CHECK,S_CUTB(a)::S(C)
- B(k);OGATE,XR(I)::QAB1(K),XB(k)
- P(h);N_GUARD,XS(G)::R1(I)
- B(a);N_GUARD::S(C),XB(a)
- P(h);N_GUARD::R1(I)
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).