MESON Chess Problem Database
Problem Display
PID: 70861 (K7/N1pb1Q1p/2B1R3/4B3/2k2nR1/PN6/2P2r2/7q w - - 0 1)
Hartong, Jan
1st Prize, Western Morning News, 1925
(First published on Sat Aug 1 1925)
#2
10 + 7
| 1577 | Jaarboek | 1934 |
| 14868 | Pirnie Collection | 2013 |
| 15239 | Valois Notebooks | 2024 |
SOLUTION
- SOUND
- Sets
- 1...Qxc6+
- 2.Rxc6#
- 1...Rg2
- 2.Rxf4#
- 2.Qxf4#
- 1...Bxc6+
- 2.Rxc6#
- 1...Qxc6+
- Tries
- 1.Bxh1?
- threat
- 2.Rc6#
- 1...Bc6+
- 2.Rxc6#
- 1...Bxe6
- 2.Qxe6#
- 2.Qxc7#
- 1...c5
- 2.Sa5#
- 1...c6
- 2.Rxc6#
- 1...Rxc2!
- threat
- 1.Bg2?
- threat
- 2.Rc6#
- 1...Bc6+
- 2.Rxc6#
- 1...Bxe6
- 2.Qxe6#
- 2.Qxc7#
- 1...c5
- 2.Sa5#
- 1...c6
- 2.Rxc6#
- 1...Rxc2!
- threat
- 1.Bf3?
- threat
- 2.Rxf4#
- 2.Rc6#
- 2.Qxf4#
- 1...Qxf3+
- 2.Rc6#
- 1...Bc6+
- 2.Rxc6#
- 1...Rxf3
- 2.Rc6#
- 1...Bxe6
- 2.Rxf4#
- 2.Qxe6#
- 2.Qxf4#
- 2.Qxc7#
- 1...Qa1
- 2.Rc6#
- 1...Qc1
- 2.Rc6#
- 1...Qd1
- 2.Rc6#
- 1...Qe1
- 2.Rc6#
- 1...Qh2
- 2.Rc6#
- 1...Qh4
- 2.Rc6#
- 2.Qxf4#
- 1...Qh6
- 2.Rc6#
- 1...Rd2
- 2.Rc6#
- 1...Re2
- 2.Rc6#
- 1...c5
- 2.Sa5#
- 2.Rxf4#
- 2.Qxf4#
- 1...c6
- 2.Rxf4#
- 2.Rxc6#
- 2.Qxf4#
- 1...Rxc2!
- threat
- 1.Rxf4+?
- 1...Qe4
- 2.Rxe4#
- 1...Rxf4!
- 1...Qe4
- 1.Rd6+?
- 1...Qd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Be6!
- 1...Qd5
- 1.Rf6+?
- 1...Qd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Be6!
- 1...Qd5
- 1.Reg6+?
- 1...Qd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Be6!
- 1...Qd5
- 1.Rh6+?
- 1...Qd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Be6!
- 1...Qd5
- 1.Re7+?
- 1...Qd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Be6!
- 1...Qd5
- 1.Re8+?
- 1...Qd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Be6!
- 1...Qd5
- 1.Qxf4+?
- 1...Qe4
- 2.Qxe4#
- 1...Rxf4!
- 1...Qe4
- 1.Bxh1?
- Keys
- 1.Be4!
- threat
- 2.Rc6#
- 1...Bc6+
- 2.Rxc6#
- 1...Bxe6
- 2.Qxc7#
- 1...Sxe6
- 2.Bf3#
- 1...Sd5
- 2.Bd3#
- 1...c5
- 2.Sa5#
- 1...c6
- 2.Rxc6#
- threat
- 1.Be4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- Q(a);CHECK,OGATE,XB(F)::QAB(I)+R(G),DCHECK,XQ(a)
- B(f);CHECK,OGATE,XB(F)::QAB(I)+R(G),DCHECK,XB(f)
- Tries
- Try
- B(F);N_SPINB(F),XQ(a)
- Threat
- QAB(I)+R(G),DCHECK
- Vars
- B(f);CHECK::QAB(I)+R(G),DCHECK,XB(f)
- P(e);SBLOCK::S(C)
- P(e);::QAB(I)+R(G),DCHECK,XP(e)
- Refutation
- R(b);XP(A)
- Try
- B(F);
- Threat
- QAB(I)+R(G),DCHECK
- Vars
- B(f);CHECK,N_PINB(F)::QAB(I)+R(G),DCHECK,XB(f)
- P(e);SBLOCK::S(C)
- P(e);N_PINB(F)::QAB(I)+R(G),DCHECK,XP(e)
- Refutation
- R(b);XP(A)
- Try
- B(F);
- Threat
- DUALS(3)
- Vars
- Q(a);CHECK,XB(F)::QAB(I)+R(G),DCHECK
- B(f);CHECK,N_PINB(F)::QAB(I)+R(G),DCHECK,XB(f)
- R(b);XB(F)::QAB(I)+R(G),DCHECK
- Q(a);N_PINB(F)::QAB(I)+R(G),DCHECK
- R(b);::QAB(I)+R(G),DCHECK
- Refutation
- R(b);XP(A)
- Try
- R(D);CHECK,XS(d)
- Vars
- Q(a);N_GUARD,P_SPINQ(a)::R(D),XQ(a)
- Refutation
- R(b);XR(D)
- Try
- R(G);CHECK
- Refutation
- B(f);P_SPINB(f)
- Try
- R(G);CHECK
- Refutation
- B(f);P_SPINB(f)
- Try
- R(G);CHECK
- Refutation
- B(f);P_SPINB(f)
- Try
- R(G);CHECK
- Refutation
- B(f);P_SPINB(f)
- Try
- R(G);CHECK
- Refutation
- B(f);P_SPINB(f)
- Try
- R(G);CHECK
- Refutation
- B(f);P_SPINB(f)
- Try
- Q(I);CHECK,XS(d)
- Vars
- Q(a);N_GUARD,P_SPINQ(a)::QAR2(I),XQ(a)
- Refutation
- R(b);P_SPINR(b),XQ(I)
- Try
- Actual
- B(F);N_PINS(d)
- Threat
- QAB(I)+R(G),DCHECK
- Vars
- B(f);CHECK,N_PINB(F)::QAB(I)+R(G),DCHECK,XB(f)
- B(f);OGATE,P_SPINB(f),XR(G)::QAR(I),XP(e)
- S(d);P_SPINS(d),XR(G)::R(D)+B(F)
- S(d);N_PINB(F),SBLOCK::R(D)+B(F),DCHECK
- P(e);SBLOCK::S(C)
- P(e);N_PINB(F)::QAB(I)+R(G),DCHECK,XP(e)
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