MESON Chess Problem Database
Problem Display
PID: 233341 (5r2/4R1pn/1Q1p3B/nK1Bb1q1/3R4/4k1NN/3pr1P1/8 w - - 0 1)
Nestorescu, Virgil
Revista Romana de Sah, 1953
#2
9 + 10
| 5454 | Near Snap | 2021 |
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qf4
- 2.Sf1#
- 1...Rf1
- 2.Sxf1#
- 1...Rf5
- 2.Sxf5#
- 1...Ra8
- 2.Sf1#
- 2.Sf5#
- 1...Rb8
- 2.Sf1#
- 2.Sf5#
- 1...Rc8
- 2.Sf1#
- 2.Sf5#
- 1...Rd8
- 2.Sf1#
- 2.Sf5#
- 1...Re8
- 2.Sf1#
- 2.Sf5#
- 1...Rg8
- 2.Sf1#
- 2.Sf5#
- 1...Rh8
- 2.Sf1#
- 2.Sf5#
- 1...Sf6
- 2.Sf1#
- 2.Sf5#
- 2.Bxg5#
- 1...d1Q
- 2.Rxd1#
- 1...d1S
- 2.Rxd1#
- 1...d1B
- 2.Rxd1#
- 1...d1R
- 2.Rxd1#
- 1...Qf4
- Tries
- 1.Bf3?
- threat
- 2.Sf1#
- 2.Rd5#
- 2.Rxd6#
- 1...Rxf3
- 2.Rd5#
- 2.Rxd6#
- 1...d1Q
- 2.Rxd1#
- 1...d1R
- 2.Rxd1#
- 1...Re1
- 2.Rd5#
- 2.Rxd6#
- 1...Rf2
- 2.Rd5#
- 2.Rxd6#
- 1...Rf4
- 2.Sf1#
- 1...Rb8
- 2.Sf1#
- 2.Sf5#
- 1...Rc8
- 2.Sf1#
- 2.Sf5#
- 1...Sb3
- 2.Sf1#
- 1...Sc4
- 2.Sf1#
- 1...Sc6
- 2.Sf1#
- 1...Sb7
- 2.Sf1#
- 1...d5
- 2.Sf1#
- 2.Rxd5#
- 2.Rxe5#
- 1...Rxg2!
- threat
- 1.Bc4?
- threat
- 2.Rd3#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Rd5#
- 2.Rxd6#
- 1...Rxg2
- 2.Rd3#
- 2.Rf4#
- 1...d1Q
- 2.Rxd1#
- 2.Rd3#
- 1...d1S
- 2.Rxd1#
- 2.Rd3#
- 2.Rd5#
- 2.Rxd6#
- 1...d1B
- 2.Rxd1#
- 2.Rd3#
- 2.Rd5#
- 2.Rxd6#
- 1...d1R
- 2.Rxd1#
- 2.Rd3#
- 1...Qf4
- 2.Sf1#
- 2.Rd3#
- 2.Re4#
- 2.Rxf4#
- 2.Rd5#
- 2.Rxd6#
- 1...Rf4
- 2.Rd3#
- 2.Re4#
- 2.Rxf4#
- 1...Rb8
- 2.Sf1#
- 2.Sf5#
- 2.Rd3#
- 2.Re4#
- 1...Rc8
- 2.Sf1#
- 2.Sf5#
- 2.Rd3#
- 2.Re4#
- 1...Sb3
- 2.Rd3#
- 2.Re4#
- 1...Sc6
- 2.Rd3#
- 2.Re4#
- 1...Sb7
- 2.Rd3#
- 2.Re4#
- 1...d5
- 2.Rd3#
- 2.Re4#
- 2.Rxd5#
- 2.Rxe5#
- 1...Sxc4!
- threat
- 1.Bf7?
- threat
- 2.Sf1#
- 2.Sf5#
- 2.Rd5#
- 2.Rxd6#
- 1...Rxf7
- 2.Rd5#
- 2.Rxd6#
- 1...gxh6
- 2.Sf1#
- 2.Rd5#
- 2.Rxd6#
- 1...d1Q
- 2.Sf5#
- 2.Rxd1#
- 1...d1R
- 2.Sf5#
- 2.Rxd1#
- 1...Re1
- 2.Rd5#
- 2.Rxd6#
- 1...Rf2
- 2.Rd5#
- 2.Rxd6#
- 1...Rb8
- 2.Sf1#
- 2.Sf5#
- 1...Rc8
- 2.Sf1#
- 2.Sf5#
- 1...Sb3
- 2.Sf1#
- 2.Sf5#
- 1...Sc4
- 2.Sf1#
- 2.Sf5#
- 1...Sc6
- 2.Sf1#
- 2.Sf5#
- 1...Sb7
- 2.Sf1#
- 2.Sf5#
- 1...d5
- 2.Sf1#
- 2.Sf5#
- 2.Rxd5#
- 2.Rxe5#
- 1...g6
- 2.Sf1#
- 2.Rd5#
- 2.Rxd6#
- 1...Rxg2!
- threat
- 1.Bxg5+?
- 1...Rf4
- 2.Sf1#
- 2.Sf5#
- 2.Bxf4#
- 1...Sxg5!
- 1...Rf4
- 1.Bf3?
- Keys
- 1.Be4!
- threat
- 2.Rd3#
- 1...Bxg3+
- 2.Rd5#
- 1...Bxd4+
- 2.Bf5#
- 1...Bf4+
- 2.Rd5#
- 1...Bf6+
- 2.Sf5#
- threat
- 1.Be4!
This anticipates 234797(2006)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- Q(f);S_CUTR(j)::S(B)
- R(j);N_GUARD::S(B),XR(j)
- P(a);OGATE::QAB(G)+R(D),XQ(a)
- P(a);OGATE::QAB(G)+R(D),XS(a)
- P(a);OGATE::QAB(G)+R(D),XB(a)
- P(a);OGATE::QAB(G)+R(D),XR(a)
- Tries
- Try
- B(F);
- Threat
- DUALS(3)
- Vars
- P(a);OGATE::QAB(G)+R(D),XQ(a)
- P(a);OGATE::QAB(G)+R(D),XR(a)
- R(j);N_SPINQ(f)::S(B)
- S(d);::S(B)
- Refutation
- R(b);XP(A)
- Try
- B(F);
- Threat
- DUALS(7)
- Refutation
- S(d);XB(F)
- Try
- B(F);
- Threat
- DUALS(4)
- Refutation
- R(b);XP(A)
- Try
- B(H);CHECK,XQ(f)
- Refutation
- S(i);XB(H)
- Try
- Actual
- B(F);N_PINB(e)
- Threat
- QAB(G)+R(D),DCHECK
- Vars
- B(e);CHECK,N_GUARD,XS(B)::QAB(G)+R(D)
- B(e);CHECK,OGATEB,P_SPINB(e),XR(D)::R(I)+B(F)
- B(e);CHECK,N_GUARD,N_SPINQ(f)::QAB(G)+R(D)
- B(e);CHECK,S_CUTR(j)::S(B)
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