MESON Chess Problem Database
Problem Display
PID: 229208 (4B3/1pQ1p3/3rk3/3N4/4NK2/2P5/8/8 w - - 0 1)
Goldschmidt, Ervin
Nepszava, 1926
#2
6 + 4
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra6
- 2.Qe5#
- 2.Qd7#
- 1...Rb6
- 2.Qe5#
- 2.Qd7#
- 1...Rc6
- 2.Qe5#
- 2.Qd7#
- 1...Rd7
- 2.Qe5#
- 2.Qxd7#
- 1...Rd8
- 2.Qe5#
- 1...Ra6
- Tries
- 1.Sef6?
- threat
- 2.Qxe7#
- 1...exf6
- 2.Bf7#
- 2.Qf7#
- 1...Rd7
- 2.Qe5#
- 2.Qxd7#
- 1...Rxd5!
- threat
- 1.Sb6?
- 1...Rxb6
- 2.Qe5#
- 2.Qc4#
- 2.Qd7#
- 1...Rd1
- 2.Qe5#
- 1...Rd2
- 2.Qe5#
- 1...Rd3
- 2.Qe5#
- 1...Rd4
- 2.Qe5#
- 1...Rc6
- 2.Qe5#
- 2.Qd7#
- 1...Rd7
- 2.Qe5#
- 2.Qxd7#
- 1...Rd8
- 2.Qe5#
- 1...Rd5!
- 1...Rxb6
- 1.Sxe7?
- threat
- 2.Qxd6#
- 1...Rd7
- 2.Qe5#
- 2.Qxd7#
- 1...Rd1
- 2.Qe5#
- 1...Rd2
- 2.Qe5#
- 1...Rd3
- 2.Qe5#
- 1...Rd4
- 2.Qe5#
- 1...Ra6
- 2.Qe5#
- 2.Qd7#
- 1...Rb6
- 2.Qe5#
- 2.Qd7#
- 1...Rc6
- 2.Qe5#
- 2.Qd7#
- 1...Rd8
- 2.Qe5#
- 1...Rd5!
- threat
- 1.Qc4?
- threat
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 1...Ra6
- 2.Se3#
- 2.Sb4#
- 2.Sb6#
- 2.Sdf6#
- 2.Sc7#
- 1...Rb6
- 2.Se3#
- 2.Sb4#
- 2.Sxb6#
- 2.Sdf6#
- 2.Sc7#
- 1...Rc6
- 2.Sc7#
- 1...Rd7
- 2.Sc7#
- 1...Rd8
- 2.Sc7#
- 1...b6
- 2.Sg5#
- 2.Sc7#
- 1...Rxd5!
- threat
- 1.Qc5?
- threat
- 2.Sg5#
- 2.Sc7#
- 1...Rc6
- 2.Sg5#
- 1...Rd7
- 2.Sg5#
- 1...Rxd5!
- threat
- 1.Qc6?
- threat
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 1...bxc6
- 2.Sc7#
- 1...b6
- 2.Sg5#
- 2.Sc7#
- 1...Rxc6!
- threat
- 1.Qxb7?
- threat
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 1...Rc6
- 2.Qxc6#
- 2.Qd7#
- 1...Ra6
- 2.Sc7#
- 2.Qd7#
- 1...Rb6
- 2.Sc7#
- 2.Qd7#
- 1...Rd7
- 2.Qxd7#
- 1...Rd8
- 2.Sc7#
- 1...Rxd5!
- threat
- 1.Qc8+?
- 1...Rd7
- 2.Sc7#
- 2.Qxd7#
- 1...Kxd5!
- 1...Rd7
- 1.c4?
- threat
- 2.Sc5#
- 2.Sg5#
- 2.Qxe7#
- 1...Rc6
- 2.Sg5#
- 2.Qe5#
- 2.Qd7#
- 2.Qxe7#
- 1...Rd7
- 2.Sc5#
- 2.Sg5#
- 2.Qe5#
- 2.Qxd7#
- 1...b6
- 2.Sg5#
- 2.Qxe7#
- 1...Rxd5!
- threat
- 1.Sef6?
- Keys
- 1.Qb6!
- threat
- 2.Sc7#
- 1...Kxd5
- 2.Qb3#
- threat
- 1.Qb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(a);OGATE::QAR1(E)
- Tries
- Try
- S(B);
- Threat
- QAR1(E),XP(d)
- Refutation
- R(a);XS(D)
- Try
- S(D);
- Vars
- R(a);OGATE::QAR1(E)
- R(a);OGATE,P_PINS(B)::QAR1(E)
- Refutation
- R(a);
- Try
- S(D);XP(d)
- Threat
- QAR1(E),XR(a)
- Vars
- R(a);OGATE::QAR1(E)
- R(a);OGATE,P_PINS(B)::QAR1(E)
- Refutation
- R(a);
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- R(a);::QAB(E)+S(D),DCHECK
- Refutation
- R(a);P_SPINR(a),XS(D)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- R(a);::S(B)
- Refutation
- R(a);XS(D)
- Try
- Q(E);P_PINR(a)
- Threat
- DUALS(3)
- Vars
- P(c);N_SPINR(a),XQ(E)::S(D)
- Refutation
- R(a);N_SPINR(a),XQ(E)
- Try
- Q(E);XP(c)
- Threat
- DUALS(3)
- Vars
- R(a);N_GUARD::QAB1(E),XR(a)
- R(a);::S(D)
- Refutation
- R(a);XS(D)
- Try
- Q(E);CHECK
- Refutation
- K(b);S_FLIGHT,XS(D)
- Try
- P(A);
- Threat
- DUALS(3)
- Refutation
- R(a);XS(D)
- Try
- Actual
- Q(E);P_PINR(a)
- Threat
- S(D)
- Vars
- K(b);N_SPINR(a),OGATEB,S_FLIGHT,XS(D)::QAB(E)
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