MESON Chess Problem Database
Problem Display
PID: 197960 (3N1K2/2Bkp3/BP3p2/2ppR1Np/3b3Q/5b2/7r/4r3 w - - 0 1)
Dittrich, Stefan
The Problemist, 1981
#2
8 + 10
| 5454 | Near Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rxe7#
- 1...Rb1
- 2.Rxe7#
- 1...Rc1
- 2.Rxe7#
- 1...Rd1
- 2.Rxe7#
- 1...Rf1
- 2.Rxe7#
- 1...Rg1
- 2.Rxe7#
- 1...Reh1
- 2.Rxe7#
- 1...Re4
- 2.Rxd5#
- 1...Bd1
- 2.Rxd5#
- 1...Be2
- 2.Rxd5#
- 2.Rxe7#
- 1...Be4
- 2.Rxe7#
- 1...Bg4
- 2.Rxd5#
- 1...Ba1
- 2.Qa4#
- 1...Bg1
- 2.Qa4#
- 1...Bb2
- 2.Qa4#
- 1...Bf2
- 2.Qa4#
- 1...Bc3
- 2.Qa4#
- 1...Be3
- 2.Rxe7#
- 2.Qa4#
- 1...Bxe5
- 2.Qa4#
- 1...Ra1
- Tries
- 1.Qe4?
- threat
- 2.Rxd5#
- 2.Rxe7#
- 1...Rxe4
- 2.Rxd5#
- 1...Bxe4
- 2.Rxe7#
- 1...Bxe5
- 2.Qa4#
- 1...dxe4
- 2.Rd5#
- 2.Rxe7#
- 1...e6
- 2.Qh7#
- 1...fxe5!
- threat
- 1.Qxh5?
- threat
- 2.Qe8#
- 1...Bxh5
- 2.Rxd5#
- 1...Rxh5!
- threat
- 1.Qe4?
- Keys
- 1.Se4!
- threat
- 2.Rxd5#
- 2.Rxe7#
- 1...Rxe4
- 2.Rxd5#
- 1...Bxe4
- 2.Rxe7#
- 1...Bxe5
- 2.Sxc5#
- 1...dxe4
- 2.Rd5#
- 2.Rxe7#
- 1...fxe5
- 2.Qxe7#
- 1...e6
- 2.Sxf6#
- threat
- 1.Se4!
This anticipates 265997(2022)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 14
- Sets
- R(a);N_GUARD::R1(B),XP(j)
- R(a);S_CUTB(c)::R(B),XP(f)
- B(c);N_GUARD::R(B),XP(f)
- B(c);S_CUTR(a)::R1(B),XP(j)
- B(d);OGATE::QAB(A)
- B(d);OGATE,XR(B)::QAB(A)
- Tries
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(a);XQ(A)::R(B),XP(f)
- B(c);XQ(A)::R1(B),XP(j)
- B(d);OGATE,XR(B)::QAB(A)
- P(j);OGATEB::QAR(A)
- Refutation
- P(h);XR(B)
- Try
- Q(A);XP(g)
- Threat
- QAB1(A)
- Vars
- B(c);N_GUARD,XQ(A)::R(B),XP(f)
- Refutation
- R(b);XQ(A)
- Try
- Actual
- S(C);
- Threat
- DUALS(2)
- Vars
- R(a);XS(C)::R(B),XP(f)
- B(c);XS(C)::R1(B),XP(j)
- B(d);N_GUARD,XR(B)::S(C),XP(e)
- P(h);OGATE,XR(B)::QAR1(A),XP(j)
- P(j);N_GUARD::S(C),XP(h)
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