MESON Chess Problem Database
Problem Display
PID: 231299 (5K2/3N4/2p1k3/2PR4/4p3/1Q1nP3/8/8 w - - 0 1)
van Dijk, Johannes
Der Tijd, 1927
#2
6 + 4
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Qc3?
- 1...Kxd5
- 2.Qb3#
- 1...Sxc5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sc1
- 2.Qe5#
- 1...Se1
- 2.Qe5#
- 1...Sb2
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sb4
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 1...cxd5!
- 1...Kxd5
- 1.Qb7?
- threat
- 2.Qxc6#
- 1...Kxd5
- 2.Qb3#
- 1...Se5
- 2.Rxe5#
- 1...Sb4
- 2.Re5#
- 1...cxd5!
- threat
- 1.Qb8?
- threat
- 2.Qd6#
- 1...Kxd5
- 2.Qb3#
- 1...Se5
- 2.Qxe5#
- 1...cxd5!
- threat
- 1.Qc3?
- Keys
- 1.Qd1!
- 1...Kxd5
- 2.Qb3#
- 1...Sxc5
- 2.Re5#
- 1...cxd5
- 2.Qg4#
- 1...Sc1
- 2.Re5#
- 1...Se1
- 2.Re5#
- 1...Sb2
- 2.Re5#
- 1...Sf2
- 2.Re5#
- 1...Sb4
- 2.Re5#
- 1...Sf4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Kxd5
- 1.Qd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(A);
- Vars
- K(d);OGATEB,S_FLIGHT,XR(D)::QAB(A)
- S(a);N_GUARD,XP(C)::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAR1(A)
- Refutation
- P(c);XR(D)
- Try
- Q(A);
- Threat
- QAR2(A),XP(c)
- Vars
- K(d);OGATEB,P_SPINP(c),S_FLIGHT,XR(D)::QAB(A)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
- Refutation
- P(c);XR(D)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(D)::QAB(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- Refutation
- P(c);XR(D)
- Try
- Actual
- Q(A);
- Vars
- K(d);OGATEB,P_SPINS(a),S_FLIGHT,XR(D)::QAB(A)
- S(a);N_GUARD,XP(C)::R1(D)
- P(c);SBLOCK,XR(D)::QAB(A)
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).