MESON Chess Problem Database
Problem Display
PID: 170915 (3Q2K1/1pp3pp/1p6/1N1PNRB1/4knP1/2R3bB/r2p1pP1/8 w - - 0 1)
Kolberg, Oddmund
3rd HM., Problemisten, 1948
#2
11 + 11
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Se2
- 2.Re3#
- 1...Sxg2
- 2.Bxg2#
- 2.Rc4#
- 1...Sd3
- 2.Rc4#
- 1...Sxh3
- 2.Re3#
- 2.Rc4#
- 1...Sxd5
- 2.Rc4#
- 1...Sh5
- 2.Re3#
- 2.Rc4#
- 1...Se6
- 2.Re3#
- 1...Sg6
- 2.Re3#
- 2.Rc4#
- 1...Se2
- Tries
- 1.Sf3?
- threat
- 2.Re5#
- 1...Sxh3
- 2.Re3#
- 1...Sxd5
- 2.Qxd5#
- 1...Se2
- 2.Re3#
- 1...Sd3
- 2.Rc4#
- 1...Sh5
- 2.Re3#
- 1...Se6
- 2.Re3#
- 1...Sg6
- 2.Re3#
- 1...Sxg2!
- threat
- 1.Sc4?
- threat
- 2.Re3#
- 2.Re5#
- 1...Sxg2
- 2.Bxg2#
- 1...Sxh3
- 2.Re3#
- 1...Sxd5
- 2.Qxd5#
- 1...d1S
- 2.Re5#
- 1...f1S
- 2.Re5#
- 1...Ra3
- 2.Sxd2#
- 2.Re5#
- 1...Se2
- 2.Re3#
- 1...Sh5
- 2.Re3#
- 1...Se6
- 2.Re3#
- 1...Sg6
- 2.Re3#
- 1...Sd3!
- threat
- 1.Sc6?
- threat
- 2.Re5#
- 1...Sxg2
- 2.Bxg2#
- 1...Sxh3
- 2.Re3#
- 1...Sxd5
- 2.Qxd5#
- 1...Se2
- 2.Re3#
- 1...Sd3
- 2.Rc4#
- 1...Sh5
- 2.Re3#
- 1...Se6
- 2.Re3#
- 1...Sg6
- 2.Re3#
- 1...bxc6!
- threat
- 1.Sg6?
- threat
- 2.Re5#
- 1...Sxg2
- 2.Bxg2#
- 1...Sxh3
- 2.Re3#
- 1...Sxd5
- 2.Qxd5#
- 1...Sxg6
- 2.Re3#
- 1...Se2
- 2.Re3#
- 1...Sd3
- 2.Rc4#
- 1...Sh5
- 2.Re3#
- 1...Se6
- 2.Re3#
- 1...hxg6!
- threat
- 1.Sd7?
- threat
- 2.Re5#
- 1...Sxg2
- 2.Bxg2#
- 1...Sxh3
- 2.Re3#
- 1...Se2
- 2.Re3#
- 1...Sd3
- 2.Rc4#
- 1...Sh5
- 2.Re3#
- 1...Se6
- 2.Re3#
- 1...Sg6
- 2.Re3#
- 1...Sxd5!
- threat
- 1.Bxf4?
- threat
- 2.Re3#
- 2.Rc4#
- 1...d1Q
- 2.Re3#
- 1...d1S
- 2.Rc4#
- 1...d1R
- 2.Re3#
- 1...f1Q
- 2.Re3#
- 1...f1S
- 2.Rc4#
- 1...f1B
- 2.Re3#
- 1...Rc2
- 2.Re3#
- 1...Ra3
- 2.Rc4#
- 1...Ra4
- 2.Re3#
- 1...Bxf4!
- threat
- 1.Rxf4+?
- 1...Kxe5
- 2.Re3#
- 1...Bxf4!
- 1...Kxe5
- 1.Sf3?
- Keys
- 1.Sf7!
- threat
- 2.Re5#
- 1...Sxg2
- 2.Bxg2#
- 1...Sxh3
- 2.Re3#
- 1...Sxd5
- 2.Qxd5#
- 1...Se2
- 2.Re3#
- 1...Sd3
- 2.Rc4#
- 1...Sh5
- 2.Re3#
- 1...Se6
- 2.Re3#
- 1...Sg6
- 2.Re3#
- threat
- 1.Sf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(f);::R1(B)
- S(f);::R(B)
- S(f);XP(F)::R(B)
- Tries
- Try
- S(G);
- Threat
- R1(H)
- Vars
- S(f);XB(C)::R1(B)
- S(f);OGATE,XP(F)::QAB1(J),XS(f)
- S(f);::R1(B)
- S(f);SBLOCK::R(B)
- Refutation
- S(f);XP(A)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- S(f);OGATE,XP(A)::B(C),XS(f)
- S(f);XB(C)::R1(B)
- S(f);OGATE,XP(F)::QAB1(J),XS(f)
- P(b);::R1(H)
- P(c);::R1(H)
- S(f);::R1(B)
- Refutation
- S(f);
- Try
- S(G);
- Threat
- R1(H)
- Vars
- S(f);OGATE,XP(A)::B(C),XS(f)
- S(f);XB(C)::R1(B)
- S(f);OGATE,XP(F)::QAB1(J),XS(f)
- S(f);::R1(B)
- S(f);SBLOCK::R(B)
- Refutation
- P(h);XS(G)
- Try
- S(G);
- Threat
- R1(H)
- Vars
- S(f);OGATE,XP(A)::B(C),XS(f)
- S(f);XB(C)::R1(B)
- S(f);OGATE,XP(F)::QAB1(J),XS(f)
- S(f);XS(G)::R1(B)
- S(f);::R1(B)
- S(f);SBLOCK::R(B)
- Refutation
- P(k);XS(G)
- Try
- S(G);
- Threat
- R1(H)
- Vars
- S(f);OGATE,XP(A)::B(C),XS(f)
- S(f);XB(C)::R1(B)
- S(f);::R1(B)
- S(f);SBLOCK::R(B)
- Refutation
- S(f);XP(F)
- Try
- B(I);XS(f)
- Threat
- DUALS(2)
- Vars
- P(b);::R1(B)
- P(b);::R(B)
- P(c);::R1(B)
- P(c);::R(B)
- R(a);::R1(B)
- R(a);::R(B)
- Refutation
- B(d);XB(I)
- Try
- R(H);CHECK,XS(f)
- Vars
- K(e);P-FLIGHT,XS(G)::R(B)
- Refutation
- B(d);XR(H)
- Try
- Actual
- S(G);
- Threat
- R1(H)
- Vars
- S(f);OGATE,XP(A)::B(C),XS(f)
- S(f);XB(C)::R1(B)
- S(f);OGATE,XP(F)::QAB1(J),XS(f)
- S(f);::R1(B)
- S(f);SBLOCK::R(B)
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