MESON Chess Problem Database
Problem Display
PID: 258976 (4q3/8/bb4n1/p1r4Q/BP5p/4R1p1/1KRBP3/1NNk4 w - - 0 1)
Hartong, Jan
Western Morning News, 1922
(First published on Sat Sep 23 1922)
#2
10 + 9
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qf7
- 2.Rc4#
- 1...Qxe3
- 2.Rc3#
- 1...Qe5+
- 2.Rcc3#
- 1...Qe6
- 2.Rc4#
- 1...Qe7
- 2.Rcc3#
- 2.Rc4#
- 2.Rxc5#
- 1...Qa8
- 2.Rcc3#
- 2.Rc4#
- 2.Rxc5#
- 1...Qb8
- 2.Rcc3#
- 2.Rc4#
- 2.Rxc5#
- 1...Qc8
- 2.Rcc3#
- 2.Rc4#
- 2.Rxc5#
- 1...Qd8
- 2.Rcc3#
- 2.Rc4#
- 2.Rxc5#
- 1...Qf8
- 2.Rcc3#
- 2.Rc4#
- 2.Rxc5#
- 1...Qg8
- 2.Rc4#
- 1...Qh8+
- 2.Rcc3#
- 1...Rxc2+
- 2.Bxc2#
- 1...Rc3
- 2.Sxc3#
- 1...Rb5
- 2.Sc3#
- 2.Rcc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Rd5
- 2.Sc3#
- 2.Rc6#
- 1...Re5
- 2.Sc3#
- 2.Rc6#
- 1...Rf5
- 2.Sc3#
- 2.Rc6#
- 1...Rg5
- 2.Sc3#
- 2.Rc6#
- 1...Rxh5
- 2.Sc3#
- 2.Rc6#
- 1...Rc6
- 2.Rcc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rxc6#
- 1...Rc7
- 2.Rc6#
- 1...Rc8
- 2.Rc6#
- 1...Bxe2
- 2.Qxe2#
- 1...Bc4
- 2.Sc3#
- 1...Qf7
- Tries
- 1.Sa2?
- threat
- 2.Rc1#
- 1...Qe5+
- 2.Rcc3#
- 1...Qh8+
- 2.Rcc3#
- 1...Rxc2+
- 2.Bxc2#
- 1...Qxa4!
- threat
- 1.Sd3?
- threat
- 2.Rc1#
- 1...Qe5+
- 2.Rc3#
- 1...Qh8+
- 2.Rc3#
- 1...Rxc2+
- 2.Bxc2#
- 1...Qxa4!
- threat
- 1.Rf3?
- threat
- 2.Rf1#
- 1...Qe5+
- 2.Rcc3#
- 1...Qh8+
- 2.Rcc3#
- 1...Rxc2+
- 2.Bxc2#
- 1...Qf7
- 2.Rc4#
- 1...Qf8
- 2.Rcc3#
- 2.Rc4#
- 2.Rxc5#
- 1...Rf5
- 2.Sc3#
- 2.Rc6#
- 1...g2!
- threat
- 1.Qf3?
- threat
- 2.Qh1#
- 2.Qf1#
- 1...Qe5+
- 2.Rcc3#
- 1...Qh8+
- 2.Rcc3#
- 1...Rxc2+
- 2.Bxc2#
- 1...Qxe3
- 2.Rc3#
- 2.Qf1#
- 1...Bxe2
- 2.Qxe2#
- 1...Qc6
- 2.Qf1#
- 1...Qf7
- 2.Rc4#
- 1...Qe4
- 2.Qf1#
- 1...Qa8
- 2.Rcc3#
- 2.Rc4#
- 2.Rxc5#
- 2.Qf1#
- 1...Qf8
- 2.Rcc3#
- 2.Rc4#
- 2.Rxc5#
- 1...Rf5
- 2.Sc3#
- 2.Rc6#
- 1...Bb7
- 2.Qf1#
- 1...g2!
- threat
- 1.Qxc5?
- threat
- 2.Sc3#
- 1...Qe5+
- 2.Rcc3#
- 1...Qh8+
- 2.Rcc3#
- 1...Qxe3
- 2.Rc3#
- 1...axb4!
- threat
- 1.bxc5?
- threat
- 2.Sc3#
- 1...Qe5+
- 2.Rcc3#
- 1...Qh8+
- 2.Rcc3#
- 1...Qxe3
- 2.Rc3#
- 1...Qb5+!
- threat
- 1.Sa2?
- Keys
- 1.Rxg3!
- threat
- 2.Rg1#
- 1...Qe5+
- 2.Rcc3#
- 1...Qh8+
- 2.Rcc3#
- 1...Rxc2+
- 2.Bxc2#
- 1...Rxh5
- 2.Sc3#
- 2.Rc6#
- 1...hxg3
- 2.Qh1#
- 1...Qf7
- 2.Rc4#
- 1...Qe3
- 2.Rc3#
- 1...Qf8
- 2.Rcc3#
- 2.Rc4#
- 2.Rxc5#
- 1...Rc3
- 2.Sxc3#
- 1...Rc4
- 2.e4#
- 1...Rb5
- 2.Sc3#
- 2.Rcc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Rd5
- 2.Sc3#
- 2.Rc6#
- 1...Re5
- 2.Sc3#
- 2.Rc6#
- 1...Rf5
- 2.Sc3#
- 2.Rc6#
- 1...Rg5
- 2.Sc3#
- 2.Rc6#
- 1...Rc6
- 2.Rcc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rxc6#
- 1...Rc7
- 2.Rc6#
- 1...Rc8
- 2.Rc6#
- threat
- 1.Rxg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- Q(i);N_GUARD::B(H)+R(D)
- Q(i);N_GUARD,XR(G)::B(H)+R(D)
- Q(i);CHECK,N_GUARD::B(H)+R(D)
- R(e);CHECK,OGATE,P_SPINR(e),XR(D)::B(H),XR(e)
- R(e);N_GUARD::S(A),XR(e)
- R(e);OGATE::B(H)+R(D)
- B(f);OGATE,P_SPINB(f),XP(F)::QAB1(J),XB(f)
- B(f);S_CUTR(e)::S(A)
- Tries
- Try
- S(B);
- Threat
- B(H)+R(D),DCHECK
- Vars
- Q(i);CHECK,N_GUARD::B(H)+R(D)
- R(e);CHECK,OGATE,P_SPINR(e),XR(D)::B(H),XR(e)
- Refutation
- Q(i);XB(H)
- Try
- S(B);
- Threat
- B(H)+R(D),DCHECK
- Vars
- Q(i);CHECK,N_GUARD::B(H)+R(D)
- R(e);CHECK,OGATE,P_SPINR(e),XR(D)::B(H),XR(e)
- Refutation
- Q(i);XB(H)
- Try
- R(G);
- Threat
- R(G)
- Vars
- Q(i);CHECK,N_GUARD::B(H)+R(D)
- R(e);CHECK,OGATE,P_SPINR(e),XR(D)::B(H),XR(e)
- Q(i);N_GUARD::B(H)+R(D)
- Refutation
- P(b);
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- Q(i);CHECK,N_GUARD::B(H)+R(D)
- R(e);CHECK,OGATE,P_SPINR(e),XR(D)::B(H),XR(e)
- B(f);OGATE,P_SPINB(f),XP(F)::QAB1(J),XB(f)
- Q(i);::QAR2(J)
- Q(i);N_GUARD::B(H)+R(D)
- B(f);::QAR2(J)
- Refutation
- P(b);
- Try
- Q(J);XR(e)
- Threat
- S(A)
- Vars
- Q(i);CHECK,N_GUARD::B(H)+R(D)
- Q(i);N_GUARD,XR(G)::B(H)+R(D)
- Refutation
- P(d);XP(I)
- Try
- P(I);XR(e)
- Threat
- S(A)
- Vars
- Q(i);CHECK,N_GUARD::B(H)+R(D)
- Q(i);N_GUARD,XR(G)::B(H)+R(D)
- Refutation
- Q(i);CHECK
- Try
- Actual
- R(G);XP(b)
- Threat
- R(G)
- Vars
- Q(i);CHECK,N_GUARD::B(H)+R(D)
- R(e);CHECK,OGATE,P_SPINR(e),XR(D)::B(H),XR(e)
- P(c);OGATE,XR(G)::QAR(J)
- Q(i);N_GUARD::B(H)+R(D)
- R(e);N_GUARD::S(A),XR(e)
- R(e);N_GUARD,S_CUTB(f)::QAB(J)+P(F)
- R(e);OGATE::B(H)+R(D)
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