MESON Chess Problem Database
Problem Display
PID: 231296 (4R3/Qn6/6K1/1N1pp1B1/3pk1p1/R1b3r1/4BP2/2N5 w - - 0 1)
van Dijk, Johannes
Tijdschrift vd NSB, 1927
#2
9 + 8
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Qxd4#
- 1...Bd2
- 2.Qxd4#
- 1...Bb4
- 2.Qxd4#
- 1...Ba5
- 2.Qxd4#
- 1...Sa5
- 2.Sd6#
- 1...Sc5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sd8
- 2.Sd6#
- 1...d3
- 2.Sxc3#
- 1...Be1
- Tries
- 1.Kf6?
- threat
- 2.Rxe5#
- 1...d3
- 2.Sxc3#
- 1...Rf3+!
- threat
- 1.Rxc3?
- threat
- 2.Qxd4#
- 1...dxc3
- 2.Qd4#
- 1...Sc5
- 2.Sd6#
- 1...d3
- 2.Qd4#
- 1...Rd3!
- threat
- 1.Qb8?
- threat
- 2.Rxe5#
- 2.Qxe5#
- 1...Sd6
- 2.Sxd6#
- 1...d3!
- threat
- 1.f3+?
- 1...gxf3
- 2.Bd3#
- 1...Rxf3!
- 1...gxf3
- 1.Kf6?
- Keys
- 1.f4!
- threat
- 2.Rxe5#
- 1...Ke3
- 2.Qxd4#
- 1...gxf4 ep
- 2.Bd3#
- 1...d3
- 2.Sxc3#
- threat
- 1.f4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- B(a);N_GUARD::QAR1(H),XP(c)
- S(h);N_GUARD::S(E)
- S(h);N_GUARD::S(E),XS(h)
- P(c);N_GUARD,S_CUTR(b)::S(E),XB(a)
- Tries
- Try
- K(G);P-FLIGHT
- Threat
- R1(I),XP(g)
- Vars
- P(c);N_GUARD,S_CUTR(b)::S(E),XB(a)
- Refutation
- R(b);CHECK
- Try
- R(D);XB(a)
- Threat
- QAR1(H),XP(c)
- Vars
- P(c);XR(D)::QAR1(H)
- S(h);N_GUARD::S(E)
- P(c);::QAR1(H)
- Refutation
- R(b);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- S(h);N_GUARD::S(E),XS(h)
- Refutation
- P(c);
- Try
- P(C);CHECK
- Vars
- P(e);P_PINB(F),SBLOCK,XP(C)::B(B)
- Refutation
- R(b);XP(C)
- Try
- Actual
- P(C);
- Threat
- R1(I),XP(g)
- Vars
- K(d);N_SPINP(g),P-FLIGHT,P_SPINB(a),P_SPINP(c)::QAB1(H),XP(c)
- P(e);EP,P_PINB(F),S_CUTR(b),XP(C)::B(B)
- P(c);N_GUARD,S_CUTR(b)::S(E),XB(a)
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