MESON Chess Problem Database
Problem Display
PID: 259091 (5n2/3p1Q1p/4r1pP/4p1B1/NN1kp3/1P2p3/2p1P3/2K5 w - - 0 1)
Gross, Izidor
Western Morning News, 1923
(First published on Sat Apr 7 1923)
#2
8 + 10
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ra6
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Rb6
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Rc6
- 2.Qd5#
- 1...Rd6
- 2.Sxc2#
- 2.Qc4#
- 1...Rf6
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Re7
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Re8
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...d5
- 2.Sxc2#
- 1...d6
- 2.Qa7#
- 1...Ra6
- Tries
- 1.Bh4?
- 1...Rc6
- 2.Qd5#
- 1...Ra6
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Rb6
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Rd6
- 2.Sxc2#
- 2.Qc4#
- 1...Rf6
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Re7
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Re8
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...d5
- 2.Sxc2#
- 1...d6
- 2.Qa7#
- 1...g5!
- 1...Rc6
- 1.Bf6?
- 1...Rxf6
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Rc6
- 2.Qd5#
- 1...Ra6
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Rb6
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Rd6
- 2.Sxc2#
- 2.Qc4#
- 1...Re7
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Re8
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...d5
- 2.Sxc2#
- 1...d6
- 2.Qa7#
- 1...g5!
- 1...Rxf6
- 1.Be7?
- threat
- 2.Bc5#
- 1...Rxe7
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Rc6
- 2.Qd5#
- 1...Rd6
- 2.Sxc2#
- 2.Qc4#
- 1...d6!
- threat
- 1.Bd8?
- 1...Ra6
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Rb6
- 2.Sxc2#
- 2.Bxb6#
- 2.Qc4#
- 2.Qd5#
- 1...Rc6
- 2.Qd5#
- 1...Rd6
- 2.Sxc2#
- 2.Qc4#
- 1...Rf6
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Re7
- 2.Sxc2#
- 2.Bb6#
- 2.Qc4#
- 2.Qd5#
- 1...Re8
- 2.Sxc2#
- 2.Bb6#
- 2.Qc4#
- 2.Qd5#
- 1...d5
- 2.Sxc2#
- 1...d6
- 2.Bb6#
- 2.Qa7#
- 1...g5!
- 1...Ra6
- 1.Qg8?
- 1...Ra6
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Rb6
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Rc6
- 2.Qd5#
- 1...Rd6
- 2.Sxc2#
- 2.Qc4#
- 1...Rf6
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Re7
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...Re8
- 2.Sxc2#
- 2.Qc4#
- 2.Qd5#
- 1...d5
- 2.Sxc2#
- 1...d6!
- 1...Ra6
- 1.Qxd7+?
- 1...Rd6
- 2.Qxd6#
- 1...Sxd7!
- 1...Rd6
- 1.Bh4?
- Keys
- 1.Qf2!
- threat
- 2.Bxe3#
- 2.Qxe3#
- 1...exf2
- 2.e3#
- threat
- 1.Qf2!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(f);OGATE::QAR1(H)
- P(h);SBLOCK::S(E),XP(a)
- P(h);OGATE::QAB(H)
- Tries
- Try
- B(F);
- Vars
- R(f);OGATE::QAR1(H)
- P(h);SBLOCK::S(E),XP(a)
- P(h);OGATE::QAB(H)
- Refutation
- P(g);
- Try
- B(F);P_PINP(e)
- Vars
- R(f);OGATE::QAR1(H)
- P(h);SBLOCK::S(E),XP(a)
- P(h);OGATE::QAB(H)
- Refutation
- P(g);
- Try
- B(F);
- Threat
- B(F)
- Vars
- R(f);OGATE::QAR1(H)
- Refutation
- P(h);
- Try
- B(F);
- Vars
- R(f);OGATE::QAR1(H)
- P(h);SBLOCK::S(E),XP(a)
- Refutation
- P(g);
- Try
- Q(H);
- Vars
- R(f);OGATE::QAR1(H)
- P(h);SBLOCK::S(E),XP(a)
- Refutation
- P(h);
- Try
- Q(H);CHECK,XP(h)
- Vars
- R(f);N_GUARD,P_SPINR(f)::QAR2(H),XR(f)
- Refutation
- S(j);XQ(H)
- Try
- Actual
- Q(H);P_PINP(b)
- Threat
- DUALS(2)
- Vars
- P(b);N_SPINP(b),OGATE,XQ(H)::P(B)
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