MESON Chess Problem Database
Problem Display
PID: 204537 (4nr2/2p2Q2/2Kp3r/2b2B2/1P1pN1p1/2pk1bR1/2p5/4RN1q w - - 0 1)
ten Cate, Pieter
Magyar Sakkvilag, 1925
#2
8 + 13
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...d5+
- 2.Sd6#
- 1...d5+
- Tries
- 1.Kb5?
- threat
- 2.Sed2#
- 2.Sf2#
- 2.Sxc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sf6#
- 2.Qc4#
- 1...Qxf1
- 2.Qc4#
- 1...Rxf7
- 2.Sf2#
- 2.Sxc5#
- 2.Sf6#
- 1...Bxb4
- 2.Sed2#
- 2.Sf2#
- 2.Sc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sf6#
- 2.Qc4#
- 1...c1Q
- 2.Sed2#
- 2.Sf2#
- 2.Sxc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sf6#
- 1...c1S
- 2.Sed2#
- 2.Sf2#
- 2.Sxc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sf6#
- 1...c1B
- 2.Sed2#
- 2.Sf2#
- 2.Sxc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sf6#
- 1...c1R
- 2.Sed2#
- 2.Sf2#
- 2.Sxc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sf6#
- 1...Qh5
- 2.Sf2#
- 2.Sxc5#
- 2.Sg5#
- 2.Qc4#
- 1...Rh5
- 2.Sf2#
- 2.Sxc5#
- 2.Sg5#
- 2.Qc4#
- 1...Re6
- 2.Sf2#
- 2.Sxc5#
- 1...Rf6
- 2.Sf2#
- 2.Sxc5#
- 2.Sxf6#
- 2.Qc4#
- 1...Bb6
- 2.Sed2#
- 2.Sf2#
- 2.Sc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sf6#
- 2.Qc4#
- 1...Ba7
- 2.Sed2#
- 2.Sf2#
- 2.Sc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sf6#
- 2.Qc4#
- 1...Sf6
- 2.Sf2#
- 2.Sxc5#
- 2.Sxf6#
- 2.Qc4#
- 1...Sg7
- 2.Sf2#
- 2.Sxc5#
- 2.Qc4#
- 1...d5
- 2.Sed2#
- 2.Sf2#
- 2.Sxc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 1...c6+!
- threat
- 1.Rxf3+?
- 1...gxf3
- 2.Sed2#
- 2.Sf2#
- 2.Seg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sf6#
- 1...Qxf3!
- 1...gxf3
- 1.Qd5?
- threat
- 2.Sf2#
- 2.Sxc5#
- 2.Sf6#
- 2.Re3#
- 1...Rxf5
- 2.Sf2#
- 2.Re3#
- 1...Bxb4
- 2.Sf2#
- 2.Sc5#
- 2.Sf6#
- 2.Re3#
- 2.Qb5#
- 1...c1Q
- 2.Sf2#
- 2.Sxc5#
- 2.Sf6#
- 1...c1S
- 2.Sf2#
- 2.Sxc5#
- 2.Sf6#
- 1...c1B
- 2.Sf2#
- 2.Sxc5#
- 2.Sf6#
- 1...c1R
- 2.Sf2#
- 2.Sxc5#
- 2.Sf6#
- 1...Qg1
- 2.Sf2#
- 2.Sxc5#
- 2.Sf6#
- 1...Qh5
- 2.Sf2#
- 2.Sxc5#
- 2.Re3#
- 1...Rh5
- 2.Sf2#
- 2.Sxc5#
- 2.Re3#
- 1...Re6
- 2.Sf2#
- 2.Sxc5#
- 2.Re3#
- 1...Rhf6
- 2.Sf2#
- 2.Sxc5#
- 2.Sxf6#
- 2.Re3#
- 1...Rff6
- 2.Sf2#
- 2.Sxc5#
- 2.Sxf6#
- 2.Re3#
- 1...Bb6
- 2.Sf2#
- 2.Sc5#
- 2.Sf6#
- 2.Re3#
- 2.Qb5#
- 1...Ba7
- 2.Sf2#
- 2.Sc5#
- 2.Sf6#
- 2.Re3#
- 2.Qb5#
- 1...Sf6
- 2.Sf2#
- 2.Sxc5#
- 2.Sxf6#
- 2.Re3#
- 1...Sg7
- 2.Sf2#
- 2.Sxc5#
- 2.Re3#
- 1...Qxf1!
- threat
- 1.Kb5?
- Keys
- 1.Qa2!
- threat
- 2.Qa6#
- 1...d5+
- 2.Sf6#
- 1...c1Q
- 2.Qe2#
- 1...c1S
- 2.Rd1#
- 1...c1B
- 2.Qe2#
- 1...c1R
- 2.Qe2#
- threat
- 1.Qa2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- P(i);CHECK,N_PINS(E)::B(F)+S(E)
- Tries
- Try
- K(G);N_SPINS(E),S_FLIGHT
- Threat
- DUALS(7)
- Vars
- Q(a);XS(B)::QAB1(H)
- Refutation
- P(k);CHECK
- Try
- R(C);CHECK,N_SPINS(E),XB(e)
- Refutation
- Q(a);P_PINS(E),XR(C)
- Try
- Q(H);N_SPINS(E),P_PINP(f)
- Threat
- DUALS(4)
- Refutation
- Q(a);XS(B)
- Try
- Actual
- Q(H);
- Threat
- QAB(H)
- Vars
- P(i);CHECK,N_PINS(E)::B(F)+S(E)
- P(b);OGATE::QAB1(H)
- P(b);N_GUARD::R(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).