MESON Chess Problem Database
Problem Display
PID: 40698 (6k1/2pN3R/3p4/b1p2B2/q1p5/1r4BK/5Q2/rn4R1 w - - 0 1)
Ellerman, Arnoldo
1st Prize, Brisbane Courier, 1919
#2
7 + 10
| 3360 | Simple Two-move Themes | 1924 |
| 56 | The Problemist | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Rb2
- 2.Bh2#
- 2.Bf4#
- 2.Bh4#
- 2.Be5#
- 2.Bxd6#
- 1...Rxg3+
- 2.Rxg3#
- 2.Qxg3#
- 1...Rb4
- 2.Bh2#
- 2.Bf4#
- 2.Bh4#
- 2.Be5#
- 2.Bxd6#
- 1...Rb5
- 2.Bh2#
- 2.Bf4#
- 2.Bh4#
- 2.Be5#
- 2.Bxd6#
- 1...Rb6
- 2.Bh2#
- 2.Bf4#
- 2.Bh4#
- 2.Be5#
- 2.Bxd6#
- 1...Rb7
- 2.Bh2#
- 2.Bf4#
- 2.Bh4#
- 2.Be5#
- 2.Bxd6#
- 1...Rb8
- 2.Bh2#
- 2.Bf4#
- 2.Bh4#
- 2.Be5#
- 2.Bxd6#
- 1...Bc3
- 2.Be5#
- 1...c3
- 2.Bf4#
- 1...Rb2
- Tries
- 1.Bd3?
- threat
- 2.Bh2#
- 2.Bf4#
- 2.Bh4#
- 2.Be5#
- 2.Bxd6#
- 2.Qf7#
- 2.Qf8#
- 1...Rxd3
- 2.Qf7#
- 1...cxd3
- 2.Qf7#
- 1...Qc6
- 2.Qf7#
- 2.Qf8#
- 1...Rb8
- 2.Bh2#
- 2.Bf4#
- 2.Bh4#
- 2.Be5#
- 2.Bxd6#
- 2.Qf7#
- 1...Bd2
- 2.Bf4#
- 2.Qf7#
- 2.Qf8#
- 1...Bc3
- 2.Be5#
- 2.Qf7#
- 2.Qf8#
- 1...Sd2
- 2.Qf7#
- 2.Qf8#
- 1...Sa3
- 2.Qf7#
- 2.Qf8#
- 1...Sc3
- 2.Qf7#
- 2.Qf8#
- 1...c3
- 2.Bf4#
- 2.Qf7#
- 2.Qf8#
- 1...d5
- 2.Bh2#
- 2.Bf4#
- 2.Bh4#
- 2.Be5#
- 2.Bd6#
- 2.Bxc7#
- 2.Qf7#
- 2.Qf8#
- 1...Qxd7+!
- threat
- 1.Qd4?
- threat
- 2.Qg7#
- 2.Qh8#
- 2.Qg4#
- 2.Qd5#
- 1...Rxg3+
- 2.Rxg3#
- 1...Qxd7
- 2.Qh8#
- 1...Qc6
- 2.Qg7#
- 2.Qh8#
- 2.Qg4#
- 1...Rd3
- 2.Qg7#
- 2.Qh8#
- 2.Qg4#
- 1...Re3
- 2.Qg7#
- 2.Qh8#
- 2.Qg4#
- 1...Bd2
- 2.Qg7#
- 2.Qh8#
- 2.Qd5#
- 1...Bc3
- 2.Be1#
- 2.Bf2#
- 2.Bh2#
- 2.Bf4#
- 2.Bh4#
- 2.Be5#
- 2.Bxd6#
- 2.Qd5#
- 1...Sc3
- 2.Be1#
- 2.Qg7#
- 2.Qh8#
- 2.Qg4#
- 1...c3
- 2.Be1#
- 2.Bf2#
- 2.Bh2#
- 2.Bf4#
- 2.Bh4#
- 2.Be5#
- 2.Bxd6#
- 2.Qg7#
- 2.Qh8#
- 2.Qd5#
- 1...d5
- 2.Qg7#
- 2.Qh8#
- 2.Qg4#
- 2.Qxd5#
- 1...c6
- 2.Qg7#
- 2.Qh8#
- 2.Qg4#
- 1...cxd4!
- threat
- 1.Qe2?
- threat
- 2.Qg4#
- 2.Qe6#
- 2.Qe8#
- 1...Rxg3+
- 2.Rxg3#
- 1...Rf3
- 2.Qe6#
- 2.Qe8#
- 1...Re3
- 2.Qg4#
- 1...Rb8
- 2.Be1#
- 2.Bf2#
- 2.Bh2#
- 2.Bf4#
- 2.Bh4#
- 2.Be5#
- 2.Bxd6#
- 2.Qg4#
- 2.Qe6#
- 1...Bd2
- 2.Qe6#
- 2.Qe8#
- 1...Bc3
- 2.Be5#
- 2.Qe6#
- 2.Qe8#
- 1...c3
- 2.Bf4#
- 2.Qe6#
- 2.Qe8#
- 1...Qxd7!
- threat
- 1.Bd3?
- Keys
- 1.Qb2!
- threat
- 2.Qg7#
- 2.Qh8#
- 1...Rxg3+
- 2.Rxg3#
- 1...Qxd7
- 2.Qh8#
- 1...Rxb2
- 2.Bf2#
- 1...Rc3
- 2.Qb8#
- 1...Bc3
- 2.Be5#
- 1...Sc3
- 2.Be1#
- 1...c3
- 2.Bf4#
- threat
- 1.Qb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- B(f);N_PINB(C)::R(A)+B(C)
- P(e);N_PINB(C)::R(A)+B(C)
- Tries
- Try
- B(E);N_SPINB(C)
- Threat
- DUALS(7)
- Vars
- R(c);P_PINB(C),XB(E)::QAB1(B)
- P(e);XB(E)::QAB1(B)
- Refutation
- Q(d);CHECK,XS(F)
- Try
- Q(B);
- Threat
- DUALS(4)
- Vars
- R(c);CHECK,OGATE,P_SPINR(c),XB(C)::R(A),XR(c)
- Q(d);XS(F)::QAR1(B)
- Refutation
- P(g);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- R(c);CHECK,OGATE,P_SPINR(c),XB(C)::R(A),XR(c)
- R(c);::QAR(B)
- Refutation
- Q(d);XS(F)
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(c);CHECK,OGATE,P_SPINR(c),XB(C)::R(A),XR(c)
- Q(d);XS(F)::QAR1(B)
- R(c);N_PINB(C),XQ(B)::R(A)+B(C)
- R(c);::QAR(B)
- B(f);N_PINB(C)::R(A)+B(C)
- S(b);N_PINB(C)::R(A)+B(C)
- P(e);N_PINB(C)::R(A)+B(C)
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