MESON Chess Problem Database

Problem Display
PID: 267576 (2R5/1N2R3/3p1p2/BB1p1Pr1/3knP2/1p2p1p1/2r1Q1K1/nbN3b1 w - - 0 1)

Ceriani, Luigi

Chemnitzer Tageblatt, 1926

(First published on Sun Aug 22 1926)

2R5/1N2R3/3p1p2/BB1p1Pr1/3knP2/1p2p1p1/2r1Q1K1/nbN3b1

#2

10 + 13

15601 Albrecht-Leiss-Degener Collection 2022
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe2+
      • 2.Sxe2#
    • 1...Bf2
      • 2.Qd3#
    • 1...Sd2
      • 2.Qd3#
    • 1...Sf2
      • 2.Qxe3#
    • 1...Sc3
      • 2.Bb6#
  • Tries
    • 1.Rxc2?
      • threat
        • 2.Qd3#
      • 1...Sf2
        • 2.Bc3#
        • 2.Bb6#
        • 2.Qxe3#
      • 1...Sc5
        • 2.Bc3#
      • 1...Bxc2!
    • 1.Qxc2?
      • threat
        • 2.Se2#
      • 1...Sc3
        • 2.Bxc3#
        • 2.Bb6#
        • 2.Qxc3#
      • 1...e2!
  • Keys
    • 1.Sd8!
      • threat
        • 2.Se6#
      • 1...Rxe2+
        • 2.Sxe2#
      • 1...Sd2
        • 2.Qd3#
      • 1...Sf2
        • 2.Qxe3#
      • 1...Sc3
        • 2.Bb6#
      • 1...Sc5
        • 2.Sc6#

Anticipated by 2792(1919)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(d);CHECK,XQ(B)::S(A),XR(d)
    • B(c);N_PINQ(B)::QAR1(B)
    • S(i);N_PINQ(B)::QAR1(B)
    • S(i);N_PINQ(B)::QAB1(B),XP(f)
    • S(i);N_GUARD,S_CUTR(d)::B(E)
  • Tries
    • Try
      • R(J);N_SPINQ(B),XR(d)
      • Threat
        • QAR1(B)
      • Vars
        • S(i);N_GUARD::B(E)
      • Refutation
        • B(b);XR(J)
    • Try
      • Q(B);N_SPINQ(B),XR(d)
      • Threat
        • S(A)
      • Refutation
        • P(f);
  • Actual
    • S(H);
    • Threat
      • S(H)
    • Vars
      • R(d);CHECK,XQ(B)::S(A),XR(d)
      • S(i);N_PINQ(B)::QAR1(B)
      • S(i);N_PINQ(B)::QAB1(B),XP(f)
      • S(i);N_GUARD,S_CUTR(d)::B(E)
      • S(i);SBLOCK,S_CUTR(d)::S(H)
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